15745874563 has 2 divisors, whose sum is σ = 15745874564. Its totient is φ = 15745874562.

The previous prime is 15745874527. The next prime is 15745874611. The reversal of 15745874563 is 36547854751.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15745874563 is a prime.

It is not a weakly prime, because it can be changed into another prime (15745874513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7872937281 + 7872937282.

It is an arithmetic number, because the mean of its divisors is an integer number (7872937282).

Almost surely, 2^15745874563 is an apocalyptic number.

15745874563 is a deficient number, since it is larger than the sum of its proper divisors (1).

15745874563 is an equidigital number, since it uses as much as digits as its factorization.

15745874563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112000, while the sum is 55.

The spelling of 15745874563 in words is "fifteen billion, seven hundred forty-five million, eight hundred seventy-four thousand, five hundred sixty-three".