1377257673619 has 2 divisors, whose sum is σ = 1377257673620. Its totient is φ = 1377257673618.

The previous prime is 1377257673581. The next prime is 1377257673629. The reversal of 1377257673619 is 9163767527731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1377257673619 - 2¹¹ = 1377257671571 is a prime.

It is a super-2 number, since 2×1377257673619² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1377257673629) 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 as a sum of consecutive naturals, namely, 688628836809 + 688628836810.

It is an arithmetic number, because the mean of its divisors is an integer number (688628836810).

Almost surely, 2^{1377257673619} is an apocalyptic number.

1377257673619 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377257673619 is an equidigital number, since it uses as much as digits as its factorization.

1377257673619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70013160, while the sum is 64.

The spelling of 1377257673619 in words is "one trillion, three hundred seventy-seven billion, two hundred fifty-seven million, six hundred seventy-three thousand, six hundred nineteen".