83949125361 has 16 divisors (see below), whose sum is σ = 118032656640. Its totient is φ = 52926305040.

The previous prime is 83949125347. The next prime is 83949125453. The reversal of 83949125361 is 16352194938.

It is not a de Polignac number, because 83949125361 - 2⁷ = 83949125233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83949125761) 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, 1275895 + ... + 1340076.

It is an arithmetic number, because the mean of its divisors is an integer number (7377041040).

Almost surely, 2^83949125361 is an apocalyptic number.

It is an amenable number.

83949125361 is a deficient number, since it is larger than the sum of its proper divisors (34083531279).

83949125361 is a wasteful number, since it uses less digits than its factorization.

83949125361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616556.

The product of its digits is 1399680, while the sum is 51.

The spelling of 83949125361 in words is "eighty-three billion, nine hundred forty-nine million, one hundred twenty-five thousand, three hundred sixty-one".