73836285121 has 2 divisors, whose sum is σ = 73836285122. Its totient is φ = 73836285120.

The previous prime is 73836285091. The next prime is 73836285161. The reversal of 73836285121 is 12158263837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73570595121 + 265690000 = 271239^2 + 16300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73836285121 is a prime.

It is not a weakly prime, because it can be changed into another prime (73836285161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36918142560 + 36918142561.

It is an arithmetic number, because the mean of its divisors is an integer number (36918142561).

Almost surely, 2^73836285121 is an apocalyptic number.

It is an amenable number.

73836285121 is a deficient number, since it is larger than the sum of its proper divisors (1).

73836285121 is an equidigital number, since it uses as much as digits as its factorization.

73836285121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 46.

The spelling of 73836285121 in words is "seventy-three billion, eight hundred thirty-six million, two hundred eighty-five thousand, one hundred twenty-one".