6400436153361 has 16 divisors (see below), whose sum is σ = 8539934198400. Its totient is φ = 4263948476928.

The previous prime is 6400436153299. The next prime is 6400436153369. The reversal of 6400436153361 is 1633516340046.

It is not a de Polignac number, because 6400436153361 - 2²² = 6400431959057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6400436153369) 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, 38166945 + ... + 38334273.

It is an arithmetic number, because the mean of its divisors is an integer number (533745887400).

Almost surely, 2^{6400436153361} is an apocalyptic number.

It is an amenable number.

6400436153361 is a deficient number, since it is larger than the sum of its proper divisors (2139498045039).

6400436153361 is a wasteful number, since it uses less digits than its factorization.

6400436153361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176248.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 6400436153361 in words is "six trillion, four hundred billion, four hundred thirty-six million, one hundred fifty-three thousand, three hundred sixty-one".