629146229985 has 96 divisors (see below), whose sum is σ = 1345385583360. Its totient is φ = 264851541504.

The previous prime is 629146229981. The next prime is 629146229993. The reversal of 629146229985 is 589922641926.

629146229985 is a `hidden beast` number, since 6 + 2 + 9 + 1 + 462 + 2 + 99 + 85 = 666.

It is not a de Polignac number, because 629146229985 - 2² = 629146229981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (629146229981) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1532467 + ... + 1899143.

It is an arithmetic number, because the mean of its divisors is an integer number (14014433160).

Almost surely, 2^629146229985 is an apocalyptic number.

629146229985 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

629146229985 is an abundant number, since it is smaller than the sum of its proper divisors (716239353375).

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

629146229985 is a wasteful number, since it uses less digits than its factorization.

629146229985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367127 (or 367124 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 63.

The spelling of 629146229985 in words is "six hundred twenty-nine billion, one hundred forty-six million, two hundred twenty-nine thousand, nine hundred eighty-five".