73338201613 has 2 divisors, whose sum is σ = 73338201614. Its totient is φ = 73338201612.

The previous prime is 73338201589. The next prime is 73338201617. The reversal of 73338201613 is 31610283337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72793119204 + 545082409 = 269802^2 + 23347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73338201613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73338201617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36669100806 + 36669100807.

It is an arithmetic number, because the mean of its divisors is an integer number (36669100807).

Almost surely, 2^73338201613 is an apocalyptic number.

It is an amenable number.

73338201613 is a deficient number, since it is larger than the sum of its proper divisors (1).

73338201613 is an equidigital number, since it uses as much as digits as its factorization.

73338201613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 73338201613 in words is "seventy-three billion, three hundred thirty-eight million, two hundred one thousand, six hundred thirteen".