42591591654 has 32 divisors (see below), whose sum is σ = 86605799136. Its totient is φ = 13960235520.

The previous prime is 42591591571. The next prime is 42591591677. The reversal of 42591591654 is 45619519524.

42591591654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42591591597 and 42591591606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1337364 + ... + 1368840.

It is an arithmetic number, because the mean of its divisors is an integer number (2706431223).

Almost surely, 2^42591591654 is an apocalyptic number.

42591591654 is an abundant number, since it is smaller than the sum of its proper divisors (44014207482).

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

42591591654 is a wasteful number, since it uses less digits than its factorization.

42591591654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35240.

The product of its digits is 1944000, while the sum is 51.

The spelling of 42591591654 in words is "forty-two billion, five hundred ninety-one million, five hundred ninety-one thousand, six hundred fifty-four".