3909653374516 has 24 divisors (see below), whose sum is σ = 7079022243720. Its totient is φ = 1887098476032.

The previous prime is 3909653374511. The next prime is 3909653374609. The reversal of 3909653374516 is 6154733569093.

It can be written as a sum of positive squares in 4 ways, for example, as 330859641616 + 3578793732900 = 575204^2 + 1891770^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3909653374511) 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, 2173665 + ... + 3541768.

It is an arithmetic number, because the mean of its divisors is an integer number (294959260155).

Almost surely, 2^{3909653374516} is an apocalyptic number.

It is an amenable number.

3909653374516 is a deficient number, since it is larger than the sum of its proper divisors (3169368869204).

3909653374516 is a wasteful number, since it uses less digits than its factorization.

3909653374516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721363 (or 5721361 counting only the distinct ones).

The product of its (nonzero) digits is 55112400, while the sum is 61.

The spelling of 3909653374516 in words is "three trillion, nine hundred nine billion, six hundred fifty-three million, three hundred seventy-four thousand, five hundred sixteen".