1977331413119 has 2 divisors, whose sum is σ = 1977331413120. Its totient is φ = 1977331413118.

The previous prime is 1977331413067. The next prime is 1977331413137. The reversal of 1977331413119 is 9113141337791.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1977331413119 - 2⁸ = 1977331412863 is a prime.

It is a super-2 number, since 2×1977331413119² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1977331413139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 988665706559 + 988665706560.

It is an arithmetic number, because the mean of its divisors is an integer number (988665706560).

Almost surely, 2^{1977331413119} is an apocalyptic number.

1977331413119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1977331413119 is an equidigital number, since it uses as much as digits as its factorization.

1977331413119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 50.

The spelling of 1977331413119 in words is "one trillion, nine hundred seventy-seven billion, three hundred thirty-one million, four hundred thirteen thousand, one hundred nineteen".