3945737654036 has 24 divisors (see below), whose sum is σ = 7268620793280. Its totient is φ = 1868993332992.

The previous prime is 3945737654021. The next prime is 3945737654063. The reversal of 3945737654036 is 6304567375493.

It is a self number, because there is not a number n which added to its sum of digits gives 3945737654036.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3149636 + ... + 4220388.

It is an arithmetic number, because the mean of its divisors is an integer number (302859199720).

Almost surely, 2^{3945737654036} is an apocalyptic number.

It is an amenable number.

3945737654036 is a deficient number, since it is larger than the sum of its proper divisors (3322883139244).

3945737654036 is a wasteful number, since it uses less digits than its factorization.

3945737654036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119263 (or 1119261 counting only the distinct ones).

The product of its (nonzero) digits is 171460800, while the sum is 62.

The spelling of 3945737654036 in words is "three trillion, nine hundred forty-five billion, seven hundred thirty-seven million, six hundred fifty-four thousand, thirty-six".