15564935482 has 4 divisors (see below), whose sum is σ = 23347403226. Its totient is φ = 7782467740.

The previous prime is 15564935479. The next prime is 15564935549. The reversal of 15564935482 is 28453946551.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12654225081 + 2910710401 = 112491^2 + 53951^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3891233869 + ... + 3891233872.

Almost surely, 2^15564935482 is an apocalyptic number.

15564935482 is a deficient number, since it is larger than the sum of its proper divisors (7782467744).

15564935482 is an equidigital number, since it uses as much as digits as its factorization.

15564935482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7782467743.

The product of its digits is 5184000, while the sum is 52.

The spelling of 15564935482 in words is "fifteen billion, five hundred sixty-four million, nine hundred thirty-five thousand, four hundred eighty-two".