618822812314507 has 2 divisors, whose sum is σ = 618822812314508. Its totient is φ = 618822812314506.

The previous prime is 618822812314489. The next prime is 618822812314549. The reversal of 618822812314507 is 705413218228816.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 618822812314507 - 2²³ = 618822803925899 is a prime.

It is not a weakly prime, because it can be changed into another prime (618822813314507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309411406157253 + 309411406157254.

It is an arithmetic number, because the mean of its divisors is an integer number (309411406157254).

Almost surely, 2^{618822812314507} is an apocalyptic number.

618822812314507 is a deficient number, since it is larger than the sum of its proper divisors (1).

618822812314507 is an equidigital number, since it uses as much as digits as its factorization.

618822812314507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10321920, while the sum is 58.

The spelling of 618822812314507 in words is "six hundred eighteen trillion, eight hundred twenty-two billion, eight hundred twelve million, three hundred fourteen thousand, five hundred seven".