612189029886 has 32 divisors (see below), whose sum is σ = 1408556041728. Its totient is φ = 173752797600.

The previous prime is 612189029867. The next prime is 612189029891. The reversal of 612189029886 is 688920981216.

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, 48258325 + ... + 48271008.

It is an arithmetic number, because the mean of its divisors is an integer number (44017376304).

Almost surely, 2^612189029886 is an apocalyptic number.

612189029886 is an abundant number, since it is smaller than the sum of its proper divisors (796367011842).

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

612189029886 is a wasteful number, since it uses less digits than its factorization.

612189029886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96529496.

The product of its (nonzero) digits is 5971968, while the sum is 60.

The spelling of 612189029886 in words is "six hundred twelve billion, one hundred eighty-nine million, twenty-nine thousand, eight hundred eighty-six".