15963491743 has 2 divisors, whose sum is σ = 15963491744. Its totient is φ = 15963491742.

The previous prime is 15963491717. The next prime is 15963491779. The reversal of 15963491743 is 34719436951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15963491743 - 2²⁵ = 15929937311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15963491783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7981745871 + 7981745872.

It is an arithmetic number, because the mean of its divisors is an integer number (7981745872).

Almost surely, 2^15963491743 is an apocalyptic number.

15963491743 is a deficient number, since it is larger than the sum of its proper divisors (1).

15963491743 is an equidigital number, since it uses as much as digits as its factorization.

15963491743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 52.

The spelling of 15963491743 in words is "fifteen billion, nine hundred sixty-three million, four hundred ninety-one thousand, seven hundred forty-three".