3909658386242 has 24 divisors (see below), whose sum is σ = 6840543435264. Its totient is φ = 1671002284392.

The previous prime is 3909658386203. The next prime is 3909658386251. The reversal of 3909658386242 is 2426838569093.

3909658386242 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 2×3909658386242² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54316178 + ... + 54388109.

It is an arithmetic number, because the mean of its divisors is an integer number (285022643136).

Almost surely, 2^{3909658386242} is an apocalyptic number.

3909658386242 is a deficient number, since it is larger than the sum of its proper divisors (2930885049022).

3909658386242 is a wasteful number, since it uses less digits than its factorization.

3909658386242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108704670 (or 108704663 counting only the distinct ones).

The product of its (nonzero) digits is 134369280, while the sum is 65.

The spelling of 3909658386242 in words is "three trillion, nine hundred nine billion, six hundred fifty-eight million, three hundred eighty-six thousand, two hundred forty-two".