46474737561 has 24 divisors (see below), whose sum is σ = 80758109120. Its totient is φ = 25159255776.

The previous prime is 46474737539. The next prime is 46474737563. The reversal of 46474737561 is 16573747464.

It is a happy number.

46474737561 is a `hidden beast` number, since 4 + 6 + 4 + 7 + 4 + 73 + 7 + 561 = 666.

46474737561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 46474737561 - 2¹¹ = 46474735513 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 46474737498 and 46474737507.

It is not an unprimeable number, because it can be changed into a prime (46474737563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19411810 + ... + 19414203.

Almost surely, 2^46474737561 is an apocalyptic number.

It is an amenable number.

46474737561 is a deficient number, since it is larger than the sum of its proper divisors (34283371559).

46474737561 is a wasteful number, since it uses less digits than its factorization.

46474737561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38826045 (or 38826042 counting only the distinct ones).

The product of its digits is 11854080, while the sum is 54.

The spelling of 46474737561 in words is "forty-six billion, four hundred seventy-four million, seven hundred thirty-seven thousand, five hundred sixty-one".