9197261380 has 12 divisors (see below), whose sum is σ = 19314248940. Its totient is φ = 3678904544.

The previous prime is 9197261377. The next prime is 9197261393. The reversal of 9197261380 is 831627919.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5209086276 + 3988175104 = 72174^2 + 63152^2 .

It is a super-3 number, since 3×9197261380³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9197261380.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229931515 + ... + 229931554.

It is an arithmetic number, because the mean of its divisors is an integer number (1609520745).

Almost surely, 2^9197261380 is an apocalyptic number.

It is an amenable number.

9197261380 is an abundant number, since it is smaller than the sum of its proper divisors (10116987560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9197261380 is a wasteful number, since it uses less digits than its factorization.

9197261380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459863078 (or 459863076 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 9197261380 is about 95902.3533600714. The cubic root of 9197261380 is about 2095.1711709584.

The spelling of 9197261380 in words is "nine billion, one hundred ninety-seven million, two hundred sixty-one thousand, three hundred eighty".