83409924250 has 16 divisors (see below), whose sum is σ = 156143378664. Its totient is φ = 33363969600.

The previous prime is 83409924229. The next prime is 83409924259. The reversal of 83409924250 is 5242990438.

It can be written as a sum of positive squares in 4 ways, for example, as 14224617289 + 69185306961 = 119267^2 + 263031^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 83409924250.

It is not an unprimeable number, because it can be changed into a prime (83409924259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166819599 + ... + 166820098.

Almost surely, 2^83409924250 is an apocalyptic number.

83409924250 is a deficient number, since it is larger than the sum of its proper divisors (72733454414).

83409924250 is a wasteful number, since it uses less digits than its factorization.

83409924250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333639714 (or 333639704 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 83409924250 in words is "eighty-three billion, four hundred nine million, nine hundred twenty-four thousand, two hundred fifty".