83290324993 has 4 divisors (see below), whose sum is σ = 84533464240. Its totient is φ = 82047185748.

The previous prime is 83290324979. The next prime is 83290325033. The reversal of 83290324993 is 39942309238.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83290324993 - 2²⁹ = 82753454081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83290324993.

It is not an unprimeable number, because it can be changed into a prime (83290324903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621569523 + ... + 621569656.

It is an arithmetic number, because the mean of its divisors is an integer number (21133366060).

Almost surely, 2^83290324993 is an apocalyptic number.

It is an amenable number.

83290324993 is a deficient number, since it is larger than the sum of its proper divisors (1243139247).

83290324993 is a wasteful number, since it uses less digits than its factorization.

83290324993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243139246.

The product of its (nonzero) digits is 2519424, while the sum is 52.

The spelling of 83290324993 in words is "eighty-three billion, two hundred ninety million, three hundred twenty-four thousand, nine hundred ninety-three".