45681864093 has 6 divisors (see below), whose sum is σ = 65984914814. Its totient is φ = 30454576056.

The previous prime is 45681864091. The next prime is 45681864121. The reversal of 45681864093 is 39046818654.

45681864093 is a `hidden beast` number, since 4 + 56 + 8 + 186 + 409 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 45617270724 + 64593369 = 213582^2 + 8037^2 .

It is not a de Polignac number, because 45681864093 - 2¹ = 45681864091 is a prime.

It is a super-2 number, since 2×45681864093² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45681864091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2537881330 + ... + 2537881347.

Almost surely, 2^45681864093 is an apocalyptic number.

It is an amenable number.

45681864093 is a deficient number, since it is larger than the sum of its proper divisors (20303050721).

45681864093 is a wasteful number, since it uses less digits than its factorization.

45681864093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5075762683 (or 5075762680 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 45681864093 in words is "forty-five billion, six hundred eighty-one million, eight hundred sixty-four thousand, ninety-three".