2656474321 has 8 divisors (see below), whose sum is σ = 2711574144. Its totient is φ = 2601558960.

The previous prime is 2656474291. The next prime is 2656474411. The reversal of 2656474321 is 1234746562.

2656474321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2656474321 - 2¹³ = 2656466129 is a prime.

It is a super-2 number, since 2×2656474321² = 14113711636264822082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2656274321) 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, 16825 + ... + 74806.

It is an arithmetic number, because the mean of its divisors is an integer number (338946768).

Almost surely, 2^2656474321 is an apocalyptic number.

It is an amenable number.

2656474321 is a deficient number, since it is larger than the sum of its proper divisors (55099823).

2656474321 is an equidigital number, since it uses as much as digits as its factorization.

2656474321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92231.

The product of its digits is 241920, while the sum is 40.

The square root of 2656474321 is about 51540.9965076346. The cubic root of 2656474321 is about 1384.9535485557.

The spelling of 2656474321 in words is "two billion, six hundred fifty-six million, four hundred seventy-four thousand, three hundred twenty-one".