1868077074431 has 2 divisors, whose sum is σ = 1868077074432. Its totient is φ = 1868077074430.

The previous prime is 1868077074419. The next prime is 1868077074433. The reversal of 1868077074431 is 1344707708681.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1868077074431 is a prime.

It is a super-2 number, since 2×1868077074431² (a number of 25 digits) contains 22 as substring.

Together with 1868077074433, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1868077074433) 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, 934038537215 + 934038537216.

It is an arithmetic number, because the mean of its divisors is an integer number (934038537216).

Almost surely, 2^{1868077074431} is an apocalyptic number.

1868077074431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1868077074431 is an equidigital number, since it uses as much as digits as its factorization.

1868077074431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6322176, while the sum is 56.

The spelling of 1868077074431 in words is "one trillion, eight hundred sixty-eight billion, seventy-seven million, seventy-four thousand, four hundred thirty-one".