6412991629 has 16 divisors (see below), whose sum is σ = 7337278080. Its totient is φ = 5548164160.

The previous prime is 6412991623. The next prime is 6412991653. The reversal of 6412991629 is 9261992146.

It is not a de Polignac number, because 6412991629 - 2³ = 6412991621 is a prime.

It is a super-2 number, since 2×6412991629² = 82252923267248147282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6412991621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14494 + ... + 114175.

It is an arithmetic number, because the mean of its divisors is an integer number (458579880).

Almost surely, 2^6412991629 is an apocalyptic number.

It is an amenable number.

6412991629 is a deficient number, since it is larger than the sum of its proper divisors (924286451).

6412991629 is a wasteful number, since it uses less digits than its factorization.

6412991629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128900.

The product of its digits is 419904, while the sum is 49.

The square root of 6412991629 is about 80081.1565163741. The cubic root of 6412991629 is about 1857.8909718409.

The spelling of 6412991629 in words is "six billion, four hundred twelve million, nine hundred ninety-one thousand, six hundred twenty-nine".