108568273009 has 27 divisors (see below), whose sum is σ = 127811435787. Its totient is φ = 91953386784.

The previous prime is 108568272961. The next prime is 108568273057. The reversal of 108568273009 is 900372865801.

The square root of 108568273009 is 329497.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (108568272961) and next prime (108568273057).

It can be written as a sum of positive squares in only one way, i.e., 93896280625 + 14671992384 = 306425^2 + 121128^2 .

It is not a de Polignac number, because 108568273009 - 2¹³ = 108568264817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (108568273109) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 237567109 + ... + 237567565.

It is an arithmetic number, because the mean of its divisors is an integer number (4733756881).

Almost surely, 2^108568273009 is an apocalyptic number.

108568273009 is the 329497-th square number.

108568273009 is the 164749-th centered octagonal number.

It is an amenable number.

108568273009 is a deficient number, since it is larger than the sum of its proper divisors (19243162778).

108568273009 is an frugal number, since it uses more digits than its factorization.

108568273009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

Multiplying 108568273009 by its sum of digits (49), we get a square (5319845377441 = 2306479²).

108568273009 divided by its sum of digits (49) gives a square (2215679041 = 47071²).

The spelling of 108568273009 in words is "one hundred eight billion, five hundred sixty-eight million, two hundred seventy-three thousand, nine".