45565009319 has 4 divisors (see below), whose sum is σ = 45568623096. Its totient is φ = 45561395544.

The previous prime is 45565009313. The next prime is 45565009367. The reversal of 45565009319 is 91390056554.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45565009319 is a prime.

It is a super-2 number, since 2×45565009319² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45565009313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1787909 + ... + 1813214.

It is an arithmetic number, because the mean of its divisors is an integer number (11392155774).

Almost surely, 2^45565009319 is an apocalyptic number.

45565009319 is a deficient number, since it is larger than the sum of its proper divisors (3613777).

45565009319 is a wasteful number, since it uses less digits than its factorization.

45565009319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613776.

The product of its (nonzero) digits is 729000, while the sum is 47.

The spelling of 45565009319 in words is "forty-five billion, five hundred sixty-five million, nine thousand, three hundred nineteen".