61614445307 has 2 divisors, whose sum is σ = 61614445308. Its totient is φ = 61614445306.

The previous prime is 61614445301. The next prime is 61614445327. The reversal of 61614445307 is 70354441616.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61614445307 is a prime.

It is not a weakly prime, because it can be changed into another prime (61614445301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30807222653 + 30807222654.

It is an arithmetic number, because the mean of its divisors is an integer number (30807222654).

Almost surely, 2^61614445307 is an apocalyptic number.

61614445307 is a deficient number, since it is larger than the sum of its proper divisors (1).

61614445307 is an equidigital number, since it uses as much as digits as its factorization.

61614445307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 61614445307 in words is "sixty-one billion, six hundred fourteen million, four hundred forty-five thousand, three hundred seven".