39412959499 has 4 divisors (see below), whose sum is σ = 39420858136. Its totient is φ = 39405060864.

The previous prime is 39412959473. The next prime is 39412959539. The reversal of 39412959499 is 99495921493.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 39412959499 - 2⁹ = 39412958987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39412959499.

It is not an unprimeable number, because it can be changed into a prime (39412159499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3941829 + ... + 3951814.

It is an arithmetic number, because the mean of its divisors is an integer number (9855214534).

Almost surely, 2^39412959499 is an apocalyptic number.

39412959499 is a deficient number, since it is larger than the sum of its proper divisors (7898637).

39412959499 is an equidigital number, since it uses as much as digits as its factorization.

39412959499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7898636.

The product of its digits is 28343520, while the sum is 64.

It can be divided in two parts, 394129 and 59499, that added together give a triangular number (453628 = T₉₅₂).

The spelling of 39412959499 in words is "thirty-nine billion, four hundred twelve million, nine hundred fifty-nine thousand, four hundred ninety-nine".