45358991999 has 4 divisors (see below), whose sum is σ = 45389253000. Its totient is φ = 45328731000.

The previous prime is 45358991987. The next prime is 45358992059. The reversal of 45358991999 is 99919985354.

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-45358991999 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 (45358991939) 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, 15128252 + ... + 15131249.

It is an arithmetic number, because the mean of its divisors is an integer number (11347313250).

Almost surely, 2^45358991999 is an apocalyptic number.

45358991999 is a deficient number, since it is larger than the sum of its proper divisors (30261001).

45358991999 is a wasteful number, since it uses less digits than its factorization.

45358991999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30261000.

The product of its digits is 141717600, while the sum is 71.

The spelling of 45358991999 in words is "forty-five billion, three hundred fifty-eight million, nine hundred ninety-one thousand, nine hundred ninety-nine".