45659490561 has 32 divisors (see below), whose sum is σ = 68199909120. Its totient is φ = 30189773952.

The previous prime is 45659490559. The next prime is 45659490593. The reversal of 45659490561 is 16509495654.

45659490561 is a `hidden beast` number, since 4 + 56 + 59 + 490 + 56 + 1 = 666.

It is not a de Polignac number, because 45659490561 - 2¹ = 45659490559 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45659490498 and 45659490507.

It is not an unprimeable number, because it can be changed into a prime (45659490661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4518831 + ... + 4528923.

It is an arithmetic number, because the mean of its divisors is an integer number (2131247160).

Almost surely, 2^45659490561 is an apocalyptic number.

It is an amenable number.

45659490561 is a deficient number, since it is larger than the sum of its proper divisors (22540418559).

45659490561 is a wasteful number, since it uses less digits than its factorization.

45659490561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11462 (or 11456 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 45659490561 in words is "forty-five billion, six hundred fifty-nine million, four hundred ninety thousand, five hundred sixty-one".