551679042894 has 16 divisors (see below), whose sum is σ = 1260980669568. Its totient is φ = 157622583672.

The previous prime is 551679042877. The next prime is 551679042973. The reversal of 551679042894 is 498240976155.

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, 6567607612 + ... + 6567607695.

It is an arithmetic number, because the mean of its divisors is an integer number (78811291848).

Almost surely, 2^551679042894 is an apocalyptic number.

551679042894 is an abundant number, since it is smaller than the sum of its proper divisors (709301626674).

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

551679042894 is a wasteful number, since it uses less digits than its factorization.

551679042894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13135215319.

The product of its (nonzero) digits is 21772800, while the sum is 60.

The spelling of 551679042894 in words is "five hundred fifty-one billion, six hundred seventy-nine million, forty-two thousand, eight hundred ninety-four".