15725965963 has 2 divisors, whose sum is σ = 15725965964. Its totient is φ = 15725965962.

The previous prime is 15725965951. The next prime is 15725965979. The reversal of 15725965963 is 36956952751.

It is a weak prime.

It is an emirp because it is prime and its reverse (36956952751) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15725965963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15725965898 and 15725965907.

It is not a weakly prime, because it can be changed into another prime (15725965993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7862982981 + 7862982982.

It is an arithmetic number, because the mean of its divisors is an integer number (7862982982).

Almost surely, 2^15725965963 is an apocalyptic number.

15725965963 is a deficient number, since it is larger than the sum of its proper divisors (1).

15725965963 is an equidigital number, since it uses as much as digits as its factorization.

15725965963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15309000, while the sum is 58.

The spelling of 15725965963 in words is "fifteen billion, seven hundred twenty-five million, nine hundred sixty-five thousand, nine hundred sixty-three".