45104019889 has 4 divisors (see below), whose sum is σ = 47065064256. Its totient is φ = 43142975524.

The previous prime is 45104019887. The next prime is 45104019893. The reversal of 45104019889 is 98891040154.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98891040154 = 2 ⋅49445520077.

It is a cyclic number.

It is not a de Polignac number, because 45104019889 - 2¹ = 45104019887 is a prime.

It is a super-2 number, since 2×45104019889² (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 (45104019881) 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, 980522149 + ... + 980522194.

It is an arithmetic number, because the mean of its divisors is an integer number (11766266064).

Almost surely, 2^45104019889 is an apocalyptic number.

It is an amenable number.

45104019889 is a deficient number, since it is larger than the sum of its proper divisors (1961044367).

45104019889 is a wasteful number, since it uses less digits than its factorization.

45104019889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961044366.

The product of its (nonzero) digits is 414720, while the sum is 49.

The spelling of 45104019889 in words is "forty-five billion, one hundred four million, nineteen thousand, eight hundred eighty-nine".