913731823641 has 32 divisors (see below), whose sum is σ = 1539983243008. Its totient is φ = 468942255360.

The previous prime is 913731823619. The next prime is 913731823661. The reversal of 913731823641 is 146328137319.

It is a happy number.

It is not a de Polignac number, because 913731823641 - 2¹⁴ = 913731807257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (913731823661) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 45219670 + ... + 45239871.

It is an arithmetic number, because the mean of its divisors is an integer number (48124476344).

Almost surely, 2^913731823641 is an apocalyptic number.

913731823641 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

913731823641 is a deficient number, since it is larger than the sum of its proper divisors (626251419367).

913731823641 is a wasteful number, since it uses less digits than its factorization.

913731823641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90459601.

The product of its digits is 653184, while the sum is 48.

The spelling of 913731823641 in words is "nine hundred thirteen billion, seven hundred thirty-one million, eight hundred twenty-three thousand, six hundred forty-one".