921392265032 has 12 divisors (see below), whose sum is σ = 1727615587545. Its totient is φ = 460694775024.

The previous prime is 921392265019. The next prime is 921392265097. The reversal of 921392265032 is 230562293129.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 760185196996 + 161207068036 = 871886^2 + 401506^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=678746.

It is a super-2 number, since 2×921392265032² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2545298 + ... + 2884670.

Almost surely, 2^921392265032 is an apocalyptic number.

It is an amenable number.

921392265032 is a deficient number, since it is larger than the sum of its proper divisors (806223322513).

921392265032 is an frugal number, since it uses more digits than its factorization.

921392265032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678752 (or 339375 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 44.

The spelling of 921392265032 in words is "nine hundred twenty-one billion, three hundred ninety-two million, two hundred sixty-five thousand, thirty-two".