6400605402627 has 4 divisors (see below), whose sum is σ = 8534140536840. Its totient is φ = 4267070268416.

The previous prime is 6400605402623. The next prime is 6400605402641. The reversal of 6400605402627 is 7262045060046.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6400605402627 - 2² = 6400605402623 is a prime.

It is a super-2 number, since 2×6400605402627² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6400605402623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066767567102 + ... + 1066767567107.

It is an arithmetic number, because the mean of its divisors is an integer number (2133535134210).

Almost surely, 2^{6400605402627} is an apocalyptic number.

6400605402627 is a deficient number, since it is larger than the sum of its proper divisors (2133535134213).

6400605402627 is a wasteful number, since it uses less digits than its factorization.

6400605402627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133535134212.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 6400605402627 in words is "six trillion, four hundred billion, six hundred five million, four hundred two thousand, six hundred twenty-seven".