629890983555 has 8 divisors (see below), whose sum is σ = 1007825573712. Its totient is φ = 335941857888.

The previous prime is 629890983539. The next prime is 629890983559. The reversal of 629890983555 is 555389098926.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 629890983555 - 2⁴ = 629890983539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 629890983555.

It is not an unprimeable number, because it can be changed into a prime (629890983559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20996366104 + ... + 20996366133.

It is an arithmetic number, because the mean of its divisors is an integer number (125978196714).

Almost surely, 2^629890983555 is an apocalyptic number.

629890983555 is a deficient number, since it is larger than the sum of its proper divisors (377934590157).

629890983555 is a wasteful number, since it uses less digits than its factorization.

629890983555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41992732245.

The product of its (nonzero) digits is 209952000, while the sum is 69.

The spelling of 629890983555 in words is "six hundred twenty-nine billion, eight hundred ninety million, nine hundred eighty-three thousand, five hundred fifty-five".