6403458875 has 16 divisors (see below), whose sum is σ = 8718020064. Its totient is φ = 4657060000.

The previous prime is 6403458863. The next prime is 6403458931. The reversal of 6403458875 is 5788543046.

It is not a de Polignac number, because 6403458875 - 2¹⁸ = 6403196731 is a prime.

It is a Duffinian number.

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, 2327156 + ... + 2329905.

It is an arithmetic number, because the mean of its divisors is an integer number (544876254).

Almost surely, 2^6403458875 is an apocalyptic number.

6403458875 is a deficient number, since it is larger than the sum of its proper divisors (2314561189).

6403458875 is a wasteful number, since it uses less digits than its factorization.

6403458875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657087 (or 4657077 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 50.

The square root of 6403458875 is about 80021.6150486854. The cubic root of 6403458875 is about 1856.9699456159.

The spelling of 6403458875 in words is "six billion, four hundred three million, four hundred fifty-eight thousand, eight hundred seventy-five".