427645562942 has 24 divisors (see below), whose sum is σ = 694768121496. Its totient is φ = 197329300896.

The previous prime is 427645562941. The next prime is 427645562959. The reversal of 427645562942 is 249265546724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427645562941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1342313 + ... + 1630059.

It is an arithmetic number, because the mean of its divisors is an integer number (28948671729).

Almost surely, 2^427645562942 is an apocalyptic number.

427645562942 is a deficient number, since it is larger than the sum of its proper divisors (267122558554).

427645562942 is a wasteful number, since it uses less digits than its factorization.

427645562942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292172 (or 292159 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 56.

The spelling of 427645562942 in words is "four hundred twenty-seven billion, six hundred forty-five million, five hundred sixty-two thousand, nine hundred forty-two".