83194675491 has 16 divisors (see below), whose sum is σ = 114250724000. Its totient is φ = 53809463808.

The previous prime is 83194675483. The next prime is 83194675493. The reversal of 83194675491 is 19457649138.

It is a happy number.

It is not a de Polignac number, because 83194675491 - 2³ = 83194675483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83194675493) 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, 1035046 + ... + 1112523.

It is an arithmetic number, because the mean of its divisors is an integer number (7140670250).

Almost surely, 2^83194675491 is an apocalyptic number.

83194675491 is a deficient number, since it is larger than the sum of its proper divisors (31056048509).

83194675491 is a wasteful number, since it uses less digits than its factorization.

83194675491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147958.

The product of its digits is 6531840, while the sum is 57.

The spelling of 83194675491 in words is "eighty-three billion, one hundred ninety-four million, six hundred seventy-five thousand, four hundred ninety-one".