45418211519 has 4 divisors (see below), whose sum is σ = 45424591344. Its totient is φ = 45411831696.

The previous prime is 45418211479. The next prime is 45418211533. The reversal of 45418211519 is 91511281454.

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

It is a cyclic number.

It is not a de Polignac number, because 45418211519 - 2³² = 41123244223 is a prime.

It is a super-2 number, since 2×45418211519² (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 (45418211599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3179222 + ... + 3193475.

It is an arithmetic number, because the mean of its divisors is an integer number (11356147836).

Almost surely, 2^45418211519 is an apocalyptic number.

45418211519 is a deficient number, since it is larger than the sum of its proper divisors (6379825).

45418211519 is an equidigital number, since it uses as much as digits as its factorization.

45418211519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6379824.

The product of its digits is 57600, while the sum is 41.

The spelling of 45418211519 in words is "forty-five billion, four hundred eighteen million, two hundred eleven thousand, five hundred nineteen".