3939207538402 has 16 divisors (see below), whose sum is σ = 6179955707520. Its totient is φ = 1879617845952.

The previous prime is 3939207538369. The next prime is 3939207538417. The reversal of 3939207538402 is 2048357029393.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98865702 + ... + 98905537.

It is an arithmetic number, because the mean of its divisors is an integer number (386247231720).

Almost surely, 2^{3939207538402} is an apocalyptic number.

3939207538402 is a deficient number, since it is larger than the sum of its proper divisors (2240748169118).

3939207538402 is a wasteful number, since it uses less digits than its factorization.

3939207538402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197771697.

The product of its (nonzero) digits is 9797760, while the sum is 55.

The spelling of 3939207538402 in words is "three trillion, nine hundred thirty-nine billion, two hundred seven million, five hundred thirty-eight thousand, four hundred two".