45894492899 has 16 divisors (see below), whose sum is σ = 46912074240. Its totient is φ = 44885443680.

The previous prime is 45894492887. The next prime is 45894492929. The reversal of 45894492899 is 99829449854.

It is a Cunningham number, because it is equal to 214230²-1.

It is a cyclic number.

It is not a de Polignac number, because 45894492899 - 2⁴ = 45894492883 is a prime.

It is a super-2 number, since 2×45894492899² (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 (45894492869) 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 15 ways as a sum of consecutive naturals, for example, 12637814 + ... + 12641444.

It is an arithmetic number, because the mean of its divisors is an integer number (2932004640).

Almost surely, 2^45894492899 is an apocalyptic number.

45894492899 is a deficient number, since it is larger than the sum of its proper divisors (1017581341).

45894492899 is a wasteful number, since it uses less digits than its factorization.

45894492899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730.

The product of its digits is 268738560, while the sum is 71.

The spelling of 45894492899 in words is "forty-five billion, eight hundred ninety-four million, four hundred ninety-two thousand, eight hundred ninety-nine".