73692961633 has 2 divisors, whose sum is σ = 73692961634. Its totient is φ = 73692961632.

The previous prime is 73692961571. The next prime is 73692961637. The reversal of 73692961633 is 33616929637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49129609104 + 24563352529 = 221652^2 + 156727^2 .

It is an emirp because it is prime and its reverse (33616929637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73692961633 - 2¹³ = 73692953441 is a prime.

It is not a weakly prime, because it can be changed into another prime (73692961637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36846480816 + 36846480817.

It is an arithmetic number, because the mean of its divisors is an integer number (36846480817).

Almost surely, 2^73692961633 is an apocalyptic number.

It is an amenable number.

73692961633 is a deficient number, since it is larger than the sum of its proper divisors (1).

73692961633 is an equidigital number, since it uses as much as digits as its factorization.

73692961633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6613488, while the sum is 55.

The spelling of 73692961633 in words is "seventy-three billion, six hundred ninety-two million, nine hundred sixty-one thousand, six hundred thirty-three".