622347577462691 has 2 divisors, whose sum is σ = 622347577462692. Its totient is φ = 622347577462690.

The previous prime is 622347577462561. The next prime is 622347577462763. The reversal of 622347577462691 is 196264775743226.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 622347577462691 - 2¹⁰ = 622347577461667 is a prime.

It is a super-2 number, since 2×622347577462691² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (622347577462991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311173788731345 + 311173788731346.

It is an arithmetic number, because the mean of its divisors is an integer number (311173788731346).

Almost surely, 2^{622347577462691} is an apocalyptic number.

622347577462691 is a deficient number, since it is larger than the sum of its proper divisors (1).

622347577462691 is an equidigital number, since it uses as much as digits as its factorization.

622347577462691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1280240640, while the sum is 71.

The spelling of 622347577462691 in words is "six hundred twenty-two trillion, three hundred forty-seven billion, five hundred seventy-seven million, four hundred sixty-two thousand, six hundred ninety-one".