15629661498427 has 2 divisors, whose sum is σ = 15629661498428. Its totient is φ = 15629661498426.

The previous prime is 15629661498403. The next prime is 15629661498431. The reversal of 15629661498427 is 72489416692651.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15629661498427 is a prime.

It is a super-2 number, since 2×15629661498427² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15629661478427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7814830749213 + 7814830749214.

It is an arithmetic number, because the mean of its divisors is an integer number (7814830749214).

Almost surely, 2^{15629661498427} is an apocalyptic number.

15629661498427 is a deficient number, since it is larger than the sum of its proper divisors (1).

15629661498427 is an equidigital number, since it uses as much as digits as its factorization.

15629661498427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 313528320, while the sum is 70.

The spelling of 15629661498427 in words is "fifteen trillion, six hundred twenty-nine billion, six hundred sixty-one million, four hundred ninety-eight thousand, four hundred twenty-seven".