129626764468 has 12 divisors (see below), whose sum is σ = 226857510880. Its totient is φ = 64810332792.

The previous prime is 129626764457. The next prime is 129626764469. The reversal of 129626764468 is 864467626921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129626764469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665346 + ... + 837817.

Almost surely, 2^129626764468 is an apocalyptic number.

It is an amenable number.

129626764468 is a deficient number, since it is larger than the sum of its proper divisors (97230746412).

129626764468 is a wasteful number, since it uses less digits than its factorization.

129626764468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524726 (or 1524724 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 61.

The spelling of 129626764468 in words is "one hundred twenty-nine billion, six hundred twenty-six million, seven hundred sixty-four thousand, four hundred sixty-eight".