6404772355 has 16 divisors (see below), whose sum is σ = 8139791520. Its totient is φ = 4821253632.

The previous prime is 6404772347. The next prime is 6404772383. The reversal of 6404772355 is 5532774046.

It is a cyclic number.

It is not a de Polignac number, because 6404772355 - 2³ = 6404772347 is a prime.

It is a super-2 number, since 2×6404772355² = 82042217838744492050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537856 + ... + 549634.

It is an arithmetic number, because the mean of its divisors is an integer number (508736970).

Almost surely, 2^6404772355 is an apocalyptic number.

6404772355 is a deficient number, since it is larger than the sum of its proper divisors (1735019165).

6404772355 is a wasteful number, since it uses less digits than its factorization.

6404772355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18198.

The product of its (nonzero) digits is 705600, while the sum is 43.

The square root of 6404772355 is about 80029.8216604286. The cubic root of 6404772355 is about 1857.0969044040.

The spelling of 6404772355 in words is "six billion, four hundred four million, seven hundred seventy-two thousand, three hundred fifty-five".