45244211999 has 4 divisors (see below), whose sum is σ = 51707670864. Its totient is φ = 38780753136.

The previous prime is 45244211963. The next prime is 45244212031. The reversal of 45244211999 is 99911244254.

It is a happy number.

45244211999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 45244211999 - 2²⁴ = 45227434783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45244211399) 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, 3231729422 + ... + 3231729435.

It is an arithmetic number, because the mean of its divisors is an integer number (12926917716).

Almost surely, 2^45244211999 is an apocalyptic number.

45244211999 is a deficient number, since it is larger than the sum of its proper divisors (6463458865).

45244211999 is an equidigital number, since it uses as much as digits as its factorization.

45244211999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6463458864.

The product of its digits is 933120, while the sum is 50.

The spelling of 45244211999 in words is "forty-five billion, two hundred forty-four million, two hundred eleven thousand, nine hundred ninety-nine".