6415277421642 has 64 divisors (see below), whose sum is σ = 13148415590400. Its totient is φ = 2086039327680.

The previous prime is 6415277421589. The next prime is 6415277421673. The reversal of 6415277421642 is 2461247725146.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133797709 + ... + 133845647.

It is an arithmetic number, because the mean of its divisors is an integer number (205443993600).

Almost surely, 2^{6415277421642} is an apocalyptic number.

6415277421642 is an abundant number, since it is smaller than the sum of its proper divisors (6733138168758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6415277421642 is a wasteful number, since it uses less digits than its factorization.

6415277421642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51011.

The product of its digits is 4515840, while the sum is 51.

The spelling of 6415277421642 in words is "six trillion, four hundred fifteen billion, two hundred seventy-seven million, four hundred twenty-one thousand, six hundred forty-two".