61934616833 has 2 divisors, whose sum is σ = 61934616834. Its totient is φ = 61934616832.

The previous prime is 61934616811. The next prime is 61934616899. The reversal of 61934616833 is 33861643916.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57719101504 + 4215515329 = 240248^2 + 64927^2 .

It is a cyclic number.

It is not a de Polignac number, because 61934616833 - 2¹⁶ = 61934551297 is a prime.

It is not a weakly prime, because it can be changed into another prime (61934616803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30967308416 + 30967308417.

It is an arithmetic number, because the mean of its divisors is an integer number (30967308417).

Almost surely, 2^61934616833 is an apocalyptic number.

It is an amenable number.

61934616833 is a deficient number, since it is larger than the sum of its proper divisors (1).

61934616833 is an equidigital number, since it uses as much as digits as its factorization.

61934616833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 50.

The spelling of 61934616833 in words is "sixty-one billion, nine hundred thirty-four million, six hundred sixteen thousand, eight hundred thirty-three".