3945100020002 has 16 divisors (see below), whose sum is σ = 6346635586560. Its totient is φ = 1833472500912.

The previous prime is 3945100019981. The next prime is 3945100020011. The reversal of 3945100020002 is 2000200015493.

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, 979417058 + ... + 979421085.

It is an arithmetic number, because the mean of its divisors is an integer number (396664724160).

Almost surely, 2^{3945100020002} is an apocalyptic number.

3945100020002 is a deficient number, since it is larger than the sum of its proper divisors (2401535566558).

3945100020002 is a wasteful number, since it uses less digits than its factorization.

3945100020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958838217.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 3945100020002 its reverse (2000200015493), we get a palindrome (5945300035495).

The spelling of 3945100020002 in words is "three trillion, nine hundred forty-five billion, one hundred million, twenty thousand, two".