629565955223 has 2 divisors, whose sum is σ = 629565955224. Its totient is φ = 629565955222.

The previous prime is 629565955171. The next prime is 629565955243. The reversal of 629565955223 is 322559565926.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 629565955223 - 2¹⁸ = 629565693079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (629565955243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314782977611 + 314782977612.

It is an arithmetic number, because the mean of its divisors is an integer number (314782977612).

Almost surely, 2^629565955223 is an apocalyptic number.

629565955223 is a deficient number, since it is larger than the sum of its proper divisors (1).

629565955223 is an equidigital number, since it uses as much as digits as its factorization.

629565955223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740000, while the sum is 59.

The spelling of 629565955223 in words is "six hundred twenty-nine billion, five hundred sixty-five million, nine hundred fifty-five thousand, two hundred twenty-three".