612193446845 has 32 divisors (see below), whose sum is σ = 749587737600. Its totient is φ = 479850243840.

The previous prime is 612193446827. The next prime is 612193446857. The reversal of 612193446845 is 548644391216.

It is not a de Polignac number, because 612193446845 - 2⁸ = 612193446589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113387456 + ... + 113392854.

It is an arithmetic number, because the mean of its divisors is an integer number (23424616800).

Almost surely, 2^612193446845 is an apocalyptic number.

It is an amenable number.

612193446845 is a deficient number, since it is larger than the sum of its proper divisors (137394290755).

612193446845 is a wasteful number, since it uses less digits than its factorization.

612193446845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6845.

The product of its digits is 4976640, while the sum is 53.

The spelling of 612193446845 in words is "six hundred twelve billion, one hundred ninety-three million, four hundred forty-six thousand, eight hundred forty-five".