45439488219 has 8 divisors (see below), whose sum is σ = 60587786752. Its totient is φ = 30292090920.

The previous prime is 45439488197. The next prime is 45439488253. The reversal of 45439488219 is 91288493454.

45439488219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45439488219 - 2⁸ = 45439487963 is a prime.

It is a super-2 number, since 2×45439488219² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45439488119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97267 + ... + 316764.

It is an arithmetic number, because the mean of its divisors is an integer number (7573473344).

Almost surely, 2^45439488219 is an apocalyptic number.

45439488219 is a deficient number, since it is larger than the sum of its proper divisors (15148298533).

45439488219 is a wasteful number, since it uses less digits than its factorization.

45439488219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450617.

The product of its digits is 9953280, while the sum is 57.

The spelling of 45439488219 in words is "forty-five billion, four hundred thirty-nine million, four hundred eighty-eight thousand, two hundred nineteen".