6405028953 has 32 divisors (see below), whose sum is σ = 9568419840. Its totient is φ = 3787280640.

The previous prime is 6405028933. The next prime is 6405028961. The reversal of 6405028953 is 3598205046.

It is not a de Polignac number, because 6405028953 - 2⁸ = 6405028697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6405028933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167776 + ... + 202382.

It is an arithmetic number, because the mean of its divisors is an integer number (299013120).

Almost surely, 2^6405028953 is an apocalyptic number.

It is an amenable number.

6405028953 is a deficient number, since it is larger than the sum of its proper divisors (3163390887).

6405028953 is a wasteful number, since it uses less digits than its factorization.

6405028953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34837.

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 6405028953 is about 80031.4247842683. The cubic root of 6405028953 is about 1857.1217047123.

The spelling of 6405028953 in words is "six billion, four hundred five million, twenty-eight thousand, nine hundred fifty-three".