73961930746399 has 2 divisors, whose sum is σ = 73961930746400. Its totient is φ = 73961930746398.

The previous prime is 73961930746339. The next prime is 73961930746471. The reversal of 73961930746399 is 99364703916937.

It is a weak prime.

It is an emirp because it is prime and its reverse (99364703916937) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73961930746399 - 2¹³ = 73961930738207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73961930746339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36980965373199 + 36980965373200.

It is an arithmetic number, because the mean of its divisors is an integer number (36980965373200).

Almost surely, 2^{73961930746399} is an apocalyptic number.

73961930746399 is a deficient number, since it is larger than the sum of its proper divisors (1).

73961930746399 is an equidigital number, since it uses as much as digits as its factorization.

73961930746399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1249949232, while the sum is 76.

The spelling of 73961930746399 in words is "seventy-three trillion, nine hundred sixty-one billion, nine hundred thirty million, seven hundred forty-six thousand, three hundred ninety-nine".