1376398046791 has 2 divisors, whose sum is σ = 1376398046792. Its totient is φ = 1376398046790.

The previous prime is 1376398046767. The next prime is 1376398046833. The reversal of 1376398046791 is 1976408936731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1376398046791 - 2⁷ = 1376398046663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1376398040791) 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, 688199023395 + 688199023396.

It is an arithmetic number, because the mean of its divisors is an integer number (688199023396).

Almost surely, 2^{1376398046791} is an apocalyptic number.

1376398046791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376398046791 is an equidigital number, since it uses as much as digits as its factorization.

1376398046791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41150592, while the sum is 64.

The spelling of 1376398046791 in words is "one trillion, three hundred seventy-six billion, three hundred ninety-eight million, forty-six thousand, seven hundred ninety-one".