15954679651 has 2 divisors, whose sum is σ = 15954679652. Its totient is φ = 15954679650.

The previous prime is 15954679633. The next prime is 15954679661. The reversal of 15954679651 is 15697645951.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15954679651 - 2¹¹ = 15954677603 is a prime.

It is not a weakly prime, because it can be changed into another prime (15954679661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7977339825 + 7977339826.

It is an arithmetic number, because the mean of its divisors is an integer number (7977339826).

Almost surely, 2^15954679651 is an apocalyptic number.

15954679651 is a deficient number, since it is larger than the sum of its proper divisors (1).

15954679651 is an equidigital number, since it uses as much as digits as its factorization.

15954679651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206000, while the sum is 58.

The spelling of 15954679651 in words is "fifteen billion, nine hundred fifty-four million, six hundred seventy-nine thousand, six hundred fifty-one".