3929499386494 has 16 divisors (see below), whose sum is σ = 6430135510656. Its totient is φ = 1786123416600.

The previous prime is 3929499386489. The next prime is 3929499386497. The reversal of 3929499386494 is 4946839949293.

3929499386494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3929499386494² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3929499386497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3002839 + ... + 4108045.

It is an arithmetic number, because the mean of its divisors is an integer number (401883469416).

Almost surely, 2^{3929499386494} is an apocalyptic number.

3929499386494 is a deficient number, since it is larger than the sum of its proper divisors (2500636124162).

3929499386494 is a wasteful number, since it uses less digits than its factorization.

3929499386494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266831.

The product of its digits is 3265173504, while the sum is 79.

The spelling of 3929499386494 in words is "three trillion, nine hundred twenty-nine billion, four hundred ninety-nine million, three hundred eighty-six thousand, four hundred ninety-four".