61934616899 has 2 divisors, whose sum is σ = 61934616900. Its totient is φ = 61934616898.

The previous prime is 61934616833. The next prime is 61934616917. The reversal of 61934616899 is 99861643916.

61934616899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61934616899 - 2⁸ = 61934616643 is a prime.

It is not a weakly prime, because it can be changed into another prime (61934676899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30967308449 + 30967308450.

It is an arithmetic number, because the mean of its divisors is an integer number (30967308450).

Almost surely, 2^61934616899 is an apocalyptic number.

61934616899 is a deficient number, since it is larger than the sum of its proper divisors (1).

61934616899 is an equidigital number, since it uses as much as digits as its factorization.

61934616899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15116544, while the sum is 62.

The spelling of 61934616899 in words is "sixty-one billion, nine hundred thirty-four million, six hundred sixteen thousand, eight hundred ninety-nine".