61614661763 has 2 divisors, whose sum is σ = 61614661764. Its totient is φ = 61614661762.

The previous prime is 61614661721. The next prime is 61614661769. The reversal of 61614661763 is 36716641616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61614661763 - 2¹⁸ = 61614399619 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (61614661769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30807330881 + 30807330882.

It is an arithmetic number, because the mean of its divisors is an integer number (30807330882).

Almost surely, 2^61614661763 is an apocalyptic number.

61614661763 is a deficient number, since it is larger than the sum of its proper divisors (1).

61614661763 is an equidigital number, since it uses as much as digits as its factorization.

61614661763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The spelling of 61614661763 in words is "sixty-one billion, six hundred fourteen million, six hundred sixty-one thousand, seven hundred sixty-three".