622544434104377 has 2 divisors, whose sum is σ = 622544434104378. Its totient is φ = 622544434104376.

The previous prime is 622544434104311. The next prime is 622544434104413. The reversal of 622544434104377 is 773401434445226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 590667840788281 + 31876593316096 = 24303659^2 + 5645936^2 .

It is a cyclic number.

It is not a de Polignac number, because 622544434104377 - 2⁸ = 622544434104121 is a prime.

It is a super-2 number, since 2×622544434104377² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (622544434404377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311272217052188 + 311272217052189.

It is an arithmetic number, because the mean of its divisors is an integer number (311272217052189).

Almost surely, 2^{622544434104377} is an apocalyptic number.

It is an amenable number.

622544434104377 is a deficient number, since it is larger than the sum of its proper divisors (1).

622544434104377 is an equidigital number, since it uses as much as digits as its factorization.

622544434104377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54190080, while the sum is 56.

The spelling of 622544434104377 in words is "six hundred twenty-two trillion, five hundred forty-four billion, four hundred thirty-four million, one hundred four thousand, three hundred seventy-seven".