6405147875 has 16 divisors (see below), whose sum is σ = 9135572160. Its totient is φ = 4392100800.

The previous prime is 6405147869. The next prime is 6405147883. The reversal of 6405147875 is 5787415046.

It is not a de Polignac number, because 6405147875 - 2¹⁶ = 6405082339 is a prime.

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, 3659210 + ... + 3660959.

It is an arithmetic number, because the mean of its divisors is an integer number (570973260).

Almost surely, 2^6405147875 is an apocalyptic number.

6405147875 is a deficient number, since it is larger than the sum of its proper divisors (2730424285).

6405147875 is an equidigital number, since it uses as much as digits as its factorization.

6405147875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7320191 (or 7320181 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 47.

The square root of 6405147875 is about 80032.1677514735. The cubic root of 6405147875 is about 1857.1331983507.

The spelling of 6405147875 in words is "six billion, four hundred five million, one hundred forty-seven thousand, eight hundred seventy-five".