629342574557 has 2 divisors, whose sum is σ = 629342574558. Its totient is φ = 629342574556.

The previous prime is 629342574503. The next prime is 629342574577. The reversal of 629342574557 is 755475243926.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 627864479641 + 1478094916 = 792379^2 + 38446^2 .

It is a cyclic number.

It is not a de Polignac number, because 629342574557 - 2⁶ = 629342574493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 629342574496 and 629342574505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (629342574577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314671287278 + 314671287279.

It is an arithmetic number, because the mean of its divisors is an integer number (314671287279).

Almost surely, 2^629342574557 is an apocalyptic number.

It is an amenable number.

629342574557 is a deficient number, since it is larger than the sum of its proper divisors (1).

629342574557 is an equidigital number, since it uses as much as digits as its factorization.

629342574557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504000, while the sum is 59.

The spelling of 629342574557 in words is "six hundred twenty-nine billion, three hundred forty-two million, five hundred seventy-four thousand, five hundred fifty-seven".