42531646654 has 16 divisors (see below), whose sum is σ = 72916005888. Its totient is φ = 18226695672.

The previous prime is 42531646627. The next prime is 42531646697. The reversal of 42531646654 is 45664613524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155979 + ... + 330745.

It is an arithmetic number, because the mean of its divisors is an integer number (4557250368).

Almost surely, 2^42531646654 is an apocalyptic number.

42531646654 is a deficient number, since it is larger than the sum of its proper divisors (30384359234).

42531646654 is a wasteful number, since it uses less digits than its factorization.

42531646654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192159.

The product of its digits is 2073600, while the sum is 46.

The spelling of 42531646654 in words is "forty-two billion, five hundred thirty-one million, six hundred forty-six thousand, six hundred fifty-four".