5519782465 has 16 divisors (see below), whose sum is σ = 6830904960. Its totient is φ = 4279824640.

The previous prime is 5519782453. The next prime is 5519782487. The reversal of 5519782465 is 5642879155.

It is a happy number.

It is not a de Polignac number, because 5519782465 - 2²⁹ = 4982911553 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110824 + ... + 152713.

It is an arithmetic number, because the mean of its divisors is an integer number (426931560).

Almost surely, 2^5519782465 is an apocalyptic number.

It is an amenable number.

5519782465 is a deficient number, since it is larger than the sum of its proper divisors (1311122495).

5519782465 is a wasteful number, since it uses less digits than its factorization.

5519782465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263672.

The product of its digits is 3024000, while the sum is 52.

The square root of 5519782465 is about 74295.2385082651. The cubic root of 5519782465 is about 1767.2879684729.

The spelling of 5519782465 in words is "five billion, five hundred nineteen million, seven hundred eighty-two thousand, four hundred sixty-five".