612881372045 has 8 divisors (see below), whose sum is σ = 739308211200. Its totient is φ = 487738054480.

The previous prime is 612881372003. The next prime is 612881372053. The reversal of 612881372045 is 540273188216.

612881372045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 612881372045 - 2²⁴ = 612864594829 is a prime.

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, 320879345 + ... + 320881254.

It is an arithmetic number, because the mean of its divisors is an integer number (92413526400).

Almost surely, 2^612881372045 is an apocalyptic number.

It is an amenable number.

612881372045 is a deficient number, since it is larger than the sum of its proper divisors (126426839155).

612881372045 is a wasteful number, since it uses less digits than its factorization.

612881372045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641760795.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 612881372045 in words is "six hundred twelve billion, eight hundred eighty-one million, three hundred seventy-two thousand, forty-five".