39499485823 has 16 divisors (see below), whose sum is σ = 45393094656. Its totient is φ = 33669095040.

The previous prime is 39499485803. The next prime is 39499485841. The reversal of 39499485823 is 32858499493.

It is a de Polignac number, because none of the positive numbers 2^k-39499485823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39499485803) 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 15 ways as a sum of consecutive naturals, for example, 921690 + ... + 963592.

It is an arithmetic number, because the mean of its divisors is an integer number (2837068416).

Almost surely, 2^39499485823 is an apocalyptic number.

39499485823 is a deficient number, since it is larger than the sum of its proper divisors (5893608833).

39499485823 is a wasteful number, since it uses less digits than its factorization.

39499485823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42654.

The product of its digits is 67184640, while the sum is 64.

The spelling of 39499485823 in words is "thirty-nine billion, four hundred ninety-nine million, four hundred eighty-five thousand, eight hundred twenty-three".