610091265921 has 8 divisors (see below), whose sum is σ = 835440292224. Its totient is φ = 395734875120.

The previous prime is 610091265887. The next prime is 610091265937. The reversal of 610091265921 is 129562190016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 610091265921 - 2⁷ = 610091265793 is a prime.

It is a super-2 number, since 2×610091265921² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (610091265941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2748158745 + ... + 2748158966.

It is an arithmetic number, because the mean of its divisors is an integer number (104430036528).

Almost surely, 2^610091265921 is an apocalyptic number.

It is an amenable number.

610091265921 is a deficient number, since it is larger than the sum of its proper divisors (225349026303).

610091265921 is a wasteful number, since it uses less digits than its factorization.

610091265921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496317751.

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 610091265921 in words is "six hundred ten billion, ninety-one million, two hundred sixty-five thousand, nine hundred twenty-one".