581879069426 has 16 divisors (see below), whose sum is σ = 893289513600. Its totient is φ = 284118516528.

The previous prime is 581879069411. The next prime is 581879069459. The reversal of 581879069426 is 624960978185.

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, 205706 + ... + 1098213.

It is an arithmetic number, because the mean of its divisors is an integer number (55830594600).

Almost surely, 2^581879069426 is an apocalyptic number.

581879069426 is a deficient number, since it is larger than the sum of its proper divisors (311410444174).

581879069426 is a wasteful number, since it uses less digits than its factorization.

581879069426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309153.

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 581879069426 in words is "five hundred eighty-one billion, eight hundred seventy-nine million, sixty-nine thousand, four hundred twenty-six".