73840999699 has 2 divisors, whose sum is σ = 73840999700. Its totient is φ = 73840999698.

The previous prime is 73840999667. The next prime is 73840999709. The reversal of 73840999699 is 99699904837.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73840999699 - 2⁵ = 73840999667 is a prime.

It is not a weakly prime, because it can be changed into another prime (73840999649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36920499849 + 36920499850.

It is an arithmetic number, because the mean of its divisors is an integer number (36920499850).

Almost surely, 2^73840999699 is an apocalyptic number.

73840999699 is a deficient number, since it is larger than the sum of its proper divisors (1).

73840999699 is an equidigital number, since it uses as much as digits as its factorization.

73840999699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238085568, while the sum is 73.

The spelling of 73840999699 in words is "seventy-three billion, eight hundred forty million, nine hundred ninety-nine thousand, six hundred ninety-nine".