613232145965 has 16 divisors (see below), whose sum is σ = 743071650048. Its totient is φ = 485790957696.

The previous prime is 613232145913. The next prime is 613232145979. The reversal of 613232145965 is 569541232316.

It is a cyclic number.

It is not a de Polignac number, because 613232145965 - 2⁶ = 613232145901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10721072 + ... + 10778118.

It is an arithmetic number, because the mean of its divisors is an integer number (46441978128).

Almost surely, 2^613232145965 is an apocalyptic number.

It is an amenable number.

613232145965 is a deficient number, since it is larger than the sum of its proper divisors (129839504083).

613232145965 is a wasteful number, since it uses less digits than its factorization.

613232145965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78028.

The product of its digits is 1166400, while the sum is 47.

The spelling of 613232145965 in words is "six hundred thirteen billion, two hundred thirty-two million, one hundred forty-five thousand, nine hundred sixty-five".