613132688738 has 16 divisors (see below), whose sum is σ = 933238090680. Its totient is φ = 302080928256.

The previous prime is 613132688723. The next prime is 613132688809. The reversal of 613132688738 is 837886231316.

It can be written as a sum of positive squares in 4 ways, for example, as 607802666689 + 5330022049 = 779617^2 + 73007^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6856181 + ... + 6945032.

Almost surely, 2^613132688738 is an apocalyptic number.

613132688738 is a deficient number, since it is larger than the sum of its proper divisors (320105401942).

613132688738 is a wasteful number, since it uses less digits than its factorization.

613132688738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13801541.

The product of its digits is 6967296, while the sum is 56.

The spelling of 613132688738 in words is "six hundred thirteen billion, one hundred thirty-two million, six hundred eighty-eight thousand, seven hundred thirty-eight".