12629091547 has 2 divisors, whose sum is σ = 12629091548. Its totient is φ = 12629091546.

The previous prime is 12629091523. The next prime is 12629091599. The reversal of 12629091547 is 74519092621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12629091547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12629091497 and 12629091506.

It is not a weakly prime, because it can be changed into another prime (12629091347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6314545773 + 6314545774.

It is an arithmetic number, because the mean of its divisors is an integer number (6314545774).

Almost surely, 2^12629091547 is an apocalyptic number.

12629091547 is a deficient number, since it is larger than the sum of its proper divisors (1).

12629091547 is an equidigital number, since it uses as much as digits as its factorization.

12629091547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 12629091547 in words is "twelve billion, six hundred twenty-nine million, ninety-one thousand, five hundred forty-seven".