73885612993 has 16 divisors (see below), whose sum is σ = 79958776320. Its totient is φ = 68006647296.

The previous prime is 73885612979. The next prime is 73885613017. The reversal of 73885612993 is 39921658837.

It is a cyclic number.

It is not a de Polignac number, because 73885612993 - 2¹³ = 73885604801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73885612693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005613 + ... + 1076581.

It is an arithmetic number, because the mean of its divisors is an integer number (4997423520).

Almost surely, 2^73885612993 is an apocalyptic number.

It is an amenable number.

73885612993 is a deficient number, since it is larger than the sum of its proper divisors (6073163327).

73885612993 is a wasteful number, since it uses less digits than its factorization.

73885612993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72336.

The product of its digits is 19595520, while the sum is 61.

The spelling of 73885612993 in words is "seventy-three billion, eight hundred eighty-five million, six hundred twelve thousand, nine hundred ninety-three".