107212369489 has 3 divisors (see below), whose sum is σ = 107212696923. Its totient is φ = 107212042056.

The previous prime is 107212369469. The next prime is 107212369493. The reversal of 107212369489 is 984963212701.

The square root of 107212369489 is 327433.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 73432870225 + 33779499264 = 270985^2 + 183792^2 .

It is not a de Polignac number, because 107212369489 - 2⁵ = 107212369457 is a prime.

It is a super-2 number, since 2×107212369489² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107212369469) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 163717 + ... + 491149.

It is an arithmetic number, because the mean of its divisors is an integer number (35737565641).

Almost surely, 2^107212369489 is an apocalyptic number.

107212369489 is the 327433-rd square number.

107212369489 is the 163717-th centered octagonal number.

It is an amenable number.

107212369489 is a deficient number, since it is larger than the sum of its proper divisors (327434).

107212369489 is an frugal number, since it uses more digits than its factorization.

107212369489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654866 (or 327433 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 107212369489 in words is "one hundred seven billion, two hundred twelve million, three hundred sixty-nine thousand, four hundred eighty-nine".