629769532854 has 64 divisors (see below), whose sum is σ = 1602382118400. Its totient is φ = 163576496160.

The previous prime is 629769532817. The next prime is 629769532859. The reversal of 629769532854 is 458235967926.

It is a super-3 number, since 3×629769532854³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629769532859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13886929 + ... + 13932204.

It is an arithmetic number, because the mean of its divisors is an integer number (25037220600).

Almost surely, 2^629769532854 is an apocalyptic number.

629769532854 is an abundant number, since it is smaller than the sum of its proper divisors (972612585546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

629769532854 is a wasteful number, since it uses less digits than its factorization.

629769532854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27819170 (or 27819156 counting only the distinct ones).

The product of its digits is 195955200, while the sum is 66.

The spelling of 629769532854 in words is "six hundred twenty-nine billion, seven hundred sixty-nine million, five hundred thirty-two thousand, eight hundred fifty-four".