6400492353 has 12 divisors (see below), whose sum is σ = 9257187940. Its totient is φ = 4261441536.

The previous prime is 6400492331. The next prime is 6400492369. The reversal of 6400492353 is 3532940046.

6400492353 is a `hidden beast` number, since 640 + 0 + 4 + 9 + 2 + 3 + 5 + 3 = 666.

6400492353 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3766031424 + 2634460929 = 61368^2 + 51327^2 .

It is not a de Polignac number, because 6400492353 - 2¹⁷ = 6400361281 is a prime.

It is a super-2 number, since 2×6400492353² = 81932604721622953218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6400492313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455476 + ... + 469317.

Almost surely, 2^6400492353 is an apocalyptic number.

It is an amenable number.

6400492353 is a deficient number, since it is larger than the sum of its proper divisors (2856695587).

6400492353 is a wasteful number, since it uses less digits than its factorization.

6400492353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925568 (or 925565 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 6400492353 is about 80003.0771470698. The cubic root of 6400492353 is about 1856.6831426448.

The spelling of 6400492353 in words is "six billion, four hundred million, four hundred ninety-two thousand, three hundred fifty-three".