45783371991 has 16 divisors (see below), whose sum is σ = 69783462144. Its totient is φ = 26155055424.

The previous prime is 45783371981. The next prime is 45783371999. The reversal of 45783371991 is 19917338754.

It is not a de Polignac number, because 45783371991 - 2¹⁸ = 45783109847 is a prime.

It is a super-2 number, since 2×45783371991² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45783371999) 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, 203901 + ... + 364886.

It is an arithmetic number, because the mean of its divisors is an integer number (4361466384).

Almost surely, 2^45783371991 is an apocalyptic number.

45783371991 is a deficient number, since it is larger than the sum of its proper divisors (24000090153).

45783371991 is a wasteful number, since it uses less digits than its factorization.

45783371991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572630.

The product of its digits is 5715360, while the sum is 57.

The spelling of 45783371991 in words is "forty-five billion, seven hundred eighty-three million, three hundred seventy-one thousand, nine hundred ninety-one".