39929996459 has 32 divisors (see below), whose sum is σ = 43296768000. Its totient is φ = 36709019424.

The previous prime is 39929996453. The next prime is 39929996479. The reversal of 39929996459 is 95469992993.

It is a cyclic number.

It is not a de Polignac number, because 39929996459 - 2¹² = 39929992363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39929996453) 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, 55535102 + ... + 55535820.

It is an arithmetic number, because the mean of its divisors is an integer number (1353024000).

Almost surely, 2^39929996459 is an apocalyptic number.

39929996459 is a deficient number, since it is larger than the sum of its proper divisors (3366771541).

39929996459 is a wasteful number, since it uses less digits than its factorization.

39929996459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367.

The product of its digits is 382637520, while the sum is 74.

The spelling of 39929996459 in words is "thirty-nine billion, nine hundred twenty-nine million, nine hundred ninety-six thousand, four hundred fifty-nine".