15889116629 has 2 divisors, whose sum is σ = 15889116630. Its totient is φ = 15889116628.

The previous prime is 15889116613. The next prime is 15889116679. The reversal of 15889116629 is 92661198851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9307039729 + 6582076900 = 96473^2 + 81130^2 .

It is a cyclic number.

It is not a de Polignac number, because 15889116629 - 2⁴ = 15889116613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15889116679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7944558314 + 7944558315.

It is an arithmetic number, because the mean of its divisors is an integer number (7944558315).

Almost surely, 2^15889116629 is an apocalyptic number.

It is an amenable number.

15889116629 is a deficient number, since it is larger than the sum of its proper divisors (1).

15889116629 is an equidigital number, since it uses as much as digits as its factorization.

15889116629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 56.

The spelling of 15889116629 in words is "fifteen billion, eight hundred eighty-nine million, one hundred sixteen thousand, six hundred twenty-nine".