61433703679 has 2 divisors, whose sum is σ = 61433703680. Its totient is φ = 61433703678.

The previous prime is 61433703671. The next prime is 61433703703. The reversal of 61433703679 is 97630733416.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61433703679 - 2³ = 61433703671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61433703671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30716851839 + 30716851840.

It is an arithmetic number, because the mean of its divisors is an integer number (30716851840).

Almost surely, 2^61433703679 is an apocalyptic number.

61433703679 is a deficient number, since it is larger than the sum of its proper divisors (1).

61433703679 is an equidigital number, since it uses as much as digits as its factorization.

61433703679 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 49.

The spelling of 61433703679 in words is "sixty-one billion, four hundred thirty-three million, seven hundred three thousand, six hundred seventy-nine".