6400013169 has 16 divisors (see below), whose sum is σ = 9336749760. Its totient is φ = 3867279360.

The previous prime is 6400013131. The next prime is 6400013233. The reversal of 6400013169 is 9613100046.

It is a de Polignac number, because none of the positive numbers 2^k-6400013169 is a prime.

It is a super-2 number, since 2×6400013169² = 81920337126746845122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6400013119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276624 + ... + 298865.

It is an arithmetic number, because the mean of its divisors is an integer number (583546860).

Almost surely, 2^6400013169 is an apocalyptic number.

It is an amenable number.

6400013169 is a deficient number, since it is larger than the sum of its proper divisors (2936736591).

6400013169 is a wasteful number, since it uses less digits than its factorization.

6400013169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575840.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 6400013169 is about 80000.0823062077. The cubic root of 6400013169 is about 1856.6368068835.

The spelling of 6400013169 in words is "six billion, four hundred million, thirteen thousand, one hundred sixty-nine".