67416415849 has 2 divisors, whose sum is σ = 67416415850. Its totient is φ = 67416415848.

The previous prime is 67416415837. The next prime is 67416415853. The reversal of 67416415849 is 94851461476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52946010000 + 14470405849 = 230100^2 + 120293^2 .

It is a cyclic number.

It is not a de Polignac number, because 67416415849 - 2⁵ = 67416415817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67416415849.

It is not a weakly prime, because it can be changed into another prime (67416415879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33708207924 + 33708207925.

It is an arithmetic number, because the mean of its divisors is an integer number (33708207925).

Almost surely, 2^67416415849 is an apocalyptic number.

It is an amenable number.

67416415849 is a deficient number, since it is larger than the sum of its proper divisors (1).

67416415849 is an equidigital number, since it uses as much as digits as its factorization.

67416415849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 55.

The spelling of 67416415849 in words is "sixty-seven billion, four hundred sixteen million, four hundred fifteen thousand, eight hundred forty-nine".