629233853 has 2 divisors, whose sum is σ = 629233854. Its totient is φ = 629233852.

The previous prime is 629233841. The next prime is 629233933. The reversal of 629233853 is 358332926.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 592776409 + 36457444 = 24347^2 + 6038^2 .

It is a cyclic number.

It is not a de Polignac number, because 629233853 - 2²⁶ = 562124989 is a prime.

It is a super-2 number, since 2×629233853² = 791870483522451218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 629233853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (629233153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314616926 + 314616927.

It is an arithmetic number, because the mean of its divisors is an integer number (314616927).

Almost surely, 2^629233853 is an apocalyptic number.

It is an amenable number.

629233853 is a deficient number, since it is larger than the sum of its proper divisors (1).

629233853 is an equidigital number, since it uses as much as digits as its factorization.

629233853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 41.

The square root of 629233853 is about 25084.5341395849. The cubic root of 629233853 is about 856.9142400591.

The spelling of 629233853 in words is "six hundred twenty-nine million, two hundred thirty-three thousand, eight hundred fifty-three".