10315855489 has 9 divisors (see below), whose sum is σ = 10544891331. Its totient is φ = 10091697120.

The previous prime is 10315855481. The next prime is 10315855507. The reversal of 10315855489 is 98455851301.

The square root of 10315855489 is 101567.

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

It can be written as a sum of positive squares in only one way, i.e., 6466893889 + 3848961600 = 80417^2 + 62040^2 .

It is not a de Polignac number, because 10315855489 - 2³ = 10315855481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10315855481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4772569 + ... + 4774729.

Almost surely, 2^10315855489 is an apocalyptic number.

10315855489 is the 101567-th square number.

10315855489 is the 50784-th centered octagonal number.

It is an amenable number.

10315855489 is a deficient number, since it is larger than the sum of its proper divisors (229035842).

10315855489 is an frugal number, since it uses more digits than its factorization.

10315855489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416 (or 2208 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 49.

Multiplying 10315855489 by its sum of digits (49), we get a square (505476918961 = 710969²).

The spelling of 10315855489 in words is "ten billion, three hundred fifteen million, eight hundred fifty-five thousand, four hundred eighty-nine".