73994935919 has 2 divisors, whose sum is σ = 73994935920. Its totient is φ = 73994935918.

The previous prime is 73994935891. The next prime is 73994935969. The reversal of 73994935919 is 91953949937.

It is a weak prime.

It is an emirp because it is prime and its reverse (91953949937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73994935919 - 2²⁴ = 73978158703 is a prime.

It is a super-2 number, since 2×73994935919² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73994935969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36997467959 + 36997467960.

It is an arithmetic number, because the mean of its divisors is an integer number (36997467960).

Almost surely, 2^73994935919 is an apocalyptic number.

73994935919 is a deficient number, since it is larger than the sum of its proper divisors (1).

73994935919 is an equidigital number, since it uses as much as digits as its factorization.

73994935919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74401740, while the sum is 68.

The spelling of 73994935919 in words is "seventy-three billion, nine hundred ninety-four million, nine hundred thirty-five thousand, nine hundred nineteen".