629520399 has 12 divisors (see below), whose sum is σ = 913619512. Its totient is φ = 417690000.

The previous prime is 629520377. The next prime is 629520413. The reversal of 629520399 is 993025926.

It is a de Polignac number, because none of the positive numbers 2^k-629520399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629520499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163852 + ... + 167649.

Almost surely, 2^629520399 is an apocalyptic number.

629520399 is a deficient number, since it is larger than the sum of its proper divisors (284099113).

629520399 is a wasteful number, since it uses less digits than its factorization.

629520399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331718 (or 331715 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 629520399 is about 25090.2450964513. The cubic root of 629520399 is about 857.0442966791.

The spelling of 629520399 in words is "six hundred twenty-nine million, five hundred twenty thousand, three hundred ninety-nine".