3900100011001 has 4 divisors (see below), whose sum is σ = 3902138747892. Its totient is φ = 3898061274112.

The previous prime is 3900100010993. The next prime is 3900100011007. The reversal of 3900100011001 is 1001100010093.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3477762495376 + 422337515625 = 1864876^2 + 649875^2 .

It is a cyclic number.

It is not a de Polignac number, because 3900100011001 - 2³ = 3900100010993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3900100011007) 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 3 ways as a sum of consecutive naturals, for example, 1019365576 + ... + 1019369401.

It is an arithmetic number, because the mean of its divisors is an integer number (975534686973).

Almost surely, 2^{3900100011001} is an apocalyptic number.

It is an amenable number.

3900100011001 is a deficient number, since it is larger than the sum of its proper divisors (2038736891).

3900100011001 is a wasteful number, since it uses less digits than its factorization.

3900100011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038736890.

The product of its (nonzero) digits is 27, while the sum is 16.

Adding to 3900100011001 its reverse (1001100010093), we get a palindrome (4901200021094).

The spelling of 3900100011001 in words is "three trillion, nine hundred billion, one hundred million, eleven thousand, one".