613012542453656 has 8 divisors (see below), whose sum is σ = 1149398517100620. Its totient is φ = 306506271226824.

The previous prime is 613012542453593. The next prime is 613012542453679. The reversal of 613012542453656 is 656354245210316.

613012542453656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 613012542453598 and 613012542453607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38313283903346 + ... + 38313283903361.

Almost surely, 2^{613012542453656} is an apocalyptic number.

It is an amenable number.

613012542453656 is a deficient number, since it is larger than the sum of its proper divisors (536385974646964).

613012542453656 is a wasteful number, since it uses less digits than its factorization.

613012542453656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76626567806713 (or 76626567806709 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 53.

The spelling of 613012542453656 in words is "six hundred thirteen trillion, twelve billion, five hundred forty-two million, four hundred fifty-three thousand, six hundred fifty-six".