61630332633 has 6 divisors (see below), whose sum is σ = 89021591594. Its totient is φ = 41086888416.

The previous prime is 61630332559. The next prime is 61630332649. The reversal of 61630332633 is 33623303616.

61630332633 is a `hidden beast` number, since 6 + 16 + 3 + 0 + 3 + 3 + 2 + 633 = 666.

It can be written as a sum of positive squares in only one way, i.e., 56647808064 + 4982524569 = 238008^2 + 70587^2 .

It is not a de Polignac number, because 61630332633 - 2⁹ = 61630332121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61630332133) 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, 3423907360 + ... + 3423907377.

Almost surely, 2^61630332633 is an apocalyptic number.

It is an amenable number.

61630332633 is a deficient number, since it is larger than the sum of its proper divisors (27391258961).

61630332633 is a wasteful number, since it uses less digits than its factorization.

61630332633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6847814743 (or 6847814740 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 36.

The spelling of 61630332633 in words is "sixty-one billion, six hundred thirty million, three hundred thirty-two thousand, six hundred thirty-three".