1377331373263 has 2 divisors, whose sum is σ = 1377331373264. Its totient is φ = 1377331373262.

The previous prime is 1377331373219. The next prime is 1377331373293. The reversal of 1377331373263 is 3623731337731.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1377331373263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1377331373293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688665686631 + 688665686632.

It is an arithmetic number, because the mean of its divisors is an integer number (688665686632).

Almost surely, 2^{1377331373263} is an apocalyptic number.

1377331373263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377331373263 is an equidigital number, since it uses as much as digits as its factorization.

1377331373263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3000564, while the sum is 49.

The spelling of 1377331373263 in words is "one trillion, three hundred seventy-seven billion, three hundred thirty-one million, three hundred seventy-three thousand, two hundred sixty-three".