913475266081 has 9 divisors (see below), whose sum is σ = 1062621867699. Its totient is φ = 782973064944.

The previous prime is 913475265959. The next prime is 913475266141. The reversal of 913475266081 is 180662574319.

The square root of 913475266081 is 955759.

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., 670015917025 + 243459349056 = 818545^2 + 493416^2 .

It is not a de Polignac number, because 913475266081 - 2⁹ = 913475265569 is a prime.

It is a super-2 number, since 2×913475266081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (913475264081) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6622045 + ... + 6758581.

It is an arithmetic number, because the mean of its divisors is an integer number (118069096411).

It is a 1-persistent number, because it is pandigital, but 2⋅913475266081 = 1826950532162 is not.

Almost surely, 2^913475266081 is an apocalyptic number.

913475266081 is the 955759-th square number.

913475266081 is the 477880-th centered octagonal number.

It is an amenable number.

913475266081 is a deficient number, since it is larger than the sum of its proper divisors (149146601618).

913475266081 is an frugal number, since it uses more digits than its factorization.

913475266081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273088 (or 136544 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 913475266081 in words is "nine hundred thirteen billion, four hundred seventy-five million, two hundred sixty-six thousand, eighty-one".