613393634640231 has 32 divisors (see below), whose sum is σ = 918400023360000. Its totient is φ = 404601129022464.

The previous prime is 613393634640223. The next prime is 613393634640251. The reversal of 613393634640231 is 132046436393316.

613393634640231 is a `hidden beast` number, since 6 + 1 + 3 + 3 + 9 + 363 + 4 + 6 + 40 + 231 = 666.

613393634640231 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 613393634640231 - 2³ = 613393634640223 is a prime.

It is a super-2 number, since 2×613393634640231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613393634640251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317927130 + ... + 319850663.

It is an arithmetic number, because the mean of its divisors is an integer number (28700000730000).

Almost surely, 2^{613393634640231} is an apocalyptic number.

613393634640231 is a deficient number, since it is larger than the sum of its proper divisors (305006388719769).

613393634640231 is a wasteful number, since it uses less digits than its factorization.

613393634640231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637778180 (or 637778174 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 54.

The spelling of 613393634640231 in words is "six hundred thirteen trillion, three hundred ninety-three billion, six hundred thirty-four million, six hundred forty thousand, two hundred thirty-one".