45694644489 has 24 divisors (see below), whose sum is σ = 71491460040. Its totient is φ = 27957226752.

The previous prime is 45694644481. The next prime is 45694644497. The reversal of 45694644489 is 98444649654.

45694644489 is a `hidden beast` number, since 4 + 5 + 6 + 94 + 64 + 4 + 489 = 666.

It is an interprime number because it is at equal distance from previous prime (45694644481) and next prime (45694644497).

It can be written as a sum of positive squares in 4 ways, for example, as 1927912464 + 43766732025 = 43908^2 + 209205^2 .

It is not a de Polignac number, because 45694644489 - 2³ = 45694644481 is a prime.

It is a super-2 number, since 2×45694644489² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45694644481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1108524 + ... + 1149005.

It is an arithmetic number, because the mean of its divisors is an integer number (2978810835).

Almost surely, 2^45694644489 is an apocalyptic number.

It is an amenable number.

45694644489 is a deficient number, since it is larger than the sum of its proper divisors (25796815551).

45694644489 is a wasteful number, since it uses less digits than its factorization.

45694644489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257721 (or 2257718 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 63.

The spelling of 45694644489 in words is "forty-five billion, six hundred ninety-four million, six hundred forty-four thousand, four hundred eighty-nine".