73854799913 has 2 divisors, whose sum is σ = 73854799914. Its totient is φ = 73854799912.

The previous prime is 73854799849. The next prime is 73854799919. The reversal of 73854799913 is 31999745837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39453082384 + 34401717529 = 198628^2 + 185477^2 .

It is an emirp because it is prime and its reverse (31999745837) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73854799913 - 2⁶ = 73854799849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73854799913.

It is not a weakly prime, because it can be changed into another prime (73854799919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36927399956 + 36927399957.

It is an arithmetic number, because the mean of its divisors is an integer number (36927399957).

Almost surely, 2^73854799913 is an apocalyptic number.

It is an amenable number.

73854799913 is a deficient number, since it is larger than the sum of its proper divisors (1).

73854799913 is an equidigital number, since it uses as much as digits as its factorization.

73854799913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51438240, while the sum is 65.

The spelling of 73854799913 in words is "seventy-three billion, eight hundred fifty-four million, seven hundred ninety-nine thousand, nine hundred thirteen".