3751291663889 has 32 divisors (see below), whose sum is σ = 4755248875776. Its totient is φ = 2874522193920.

The previous prime is 3751291663883. The next prime is 3751291663901. The reversal of 3751291663889 is 9883661921573.

It is a de Polignac number, because none of the positive numbers 2^k-3751291663889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3751291663883) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 426884 + ... + 2772149.

It is an arithmetic number, because the mean of its divisors is an integer number (148601527368).

Almost surely, 2^{3751291663889} is an apocalyptic number.

It is an amenable number.

3751291663889 is a deficient number, since it is larger than the sum of its proper divisors (1003957211887).

3751291663889 is a wasteful number, since it uses less digits than its factorization.

3751291663889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199305.

The product of its digits is 117573120, while the sum is 68.

The spelling of 3751291663889 in words is "three trillion, seven hundred fifty-one billion, two hundred ninety-one million, six hundred sixty-three thousand, eight hundred eighty-nine".