612790493591 has 16 divisors (see below), whose sum is σ = 653258836800. Its totient is φ = 572816724480.

The previous prime is 612790493563. The next prime is 612790493599. The reversal of 612790493591 is 195394097216.

612790493591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 612790493591 - 2⁶ = 612790493527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612790493599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6118385 + ... + 6217733.

It is an arithmetic number, because the mean of its divisors is an integer number (40828677300).

Almost surely, 2^612790493591 is an apocalyptic number.

612790493591 is a deficient number, since it is larger than the sum of its proper divisors (40468343209).

612790493591 is a wasteful number, since it uses less digits than its factorization.

612790493591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101834.

The product of its (nonzero) digits is 3674160, while the sum is 56.

The spelling of 612790493591 in words is "six hundred twelve billion, seven hundred ninety million, four hundred ninety-three thousand, five hundred ninety-one".