557642908293767 has 2 divisors, whose sum is σ = 557642908293768. Its totient is φ = 557642908293766.

The previous prime is 557642908293763. The next prime is 557642908293787. The reversal of 557642908293767 is 767392809246755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 557642908293767 - 2² = 557642908293763 is a prime.

It is a super-2 number, since 2×557642908293767² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 557642908293691 and 557642908293700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (557642908293761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278821454146883 + 278821454146884.

It is an arithmetic number, because the mean of its divisors is an integer number (278821454146884).

Almost surely, 2^{557642908293767} is an apocalyptic number.

557642908293767 is a deficient number, since it is larger than the sum of its proper divisors (1).

557642908293767 is an equidigital number, since it uses as much as digits as its factorization.

557642908293767 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9601804800, while the sum is 80.

The spelling of 557642908293767 in words is "five hundred fifty-seven trillion, six hundred forty-two billion, nine hundred eight million, two hundred ninety-three thousand, seven hundred sixty-seven".