1373003374991 has 2 divisors, whose sum is σ = 1373003374992. Its totient is φ = 1373003374990.

The previous prime is 1373003374973. The next prime is 1373003374997. The reversal of 1373003374991 is 1994733003731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1373003374991 - 2³⁰ = 1371929633167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373003374997) 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, 686501687495 + 686501687496.

It is an arithmetic number, because the mean of its divisors is an integer number (686501687496).

Almost surely, 2^{1373003374991} is an apocalyptic number.

1373003374991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373003374991 is an equidigital number, since it uses as much as digits as its factorization.

1373003374991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1285956, while the sum is 50.

The spelling of 1373003374991 in words is "one trillion, three hundred seventy-three billion, three million, three hundred seventy-four thousand, nine hundred ninety-one".