61279046659 has 2 divisors, whose sum is σ = 61279046660. Its totient is φ = 61279046658.

The previous prime is 61279046561. The next prime is 61279046669. The reversal of 61279046659 is 95664097216.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61279046659 - 2²³ = 61270658051 is a prime.

It is not a weakly prime, because it can be changed into another prime (61279046669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30639523329 + 30639523330.

It is an arithmetic number, because the mean of its divisors is an integer number (30639523330).

Almost surely, 2^61279046659 is an apocalyptic number.

61279046659 is a deficient number, since it is larger than the sum of its proper divisors (1).

61279046659 is an equidigital number, since it uses as much as digits as its factorization.

61279046659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 61279046659 in words is "sixty-one billion, two hundred seventy-nine million, forty-six thousand, six hundred fifty-nine".