3976111920013 has 2 divisors, whose sum is σ = 3976111920014. Its totient is φ = 3976111920012.

The previous prime is 3976111919977. The next prime is 3976111920017. The reversal of 3976111920013 is 3100291116793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2433356646084 + 1542755273929 = 1559922^2 + 1242077^2 .

It is a cyclic number.

It is not a de Polignac number, because 3976111920013 - 2³³ = 3967521985421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3976111920017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1988055960006 + 1988055960007.

It is an arithmetic number, because the mean of its divisors is an integer number (1988055960007).

Almost surely, 2^{3976111920013} is an apocalyptic number.

It is an amenable number.

3976111920013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3976111920013 is an equidigital number, since it uses as much as digits as its factorization.

3976111920013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61236, while the sum is 43.

The spelling of 3976111920013 in words is "three trillion, nine hundred seventy-six billion, one hundred eleven million, nine hundred twenty thousand, thirteen".