83149093 has 4 divisors (see below), whose sum is σ = 83169868. Its totient is φ = 83128320.

The previous prime is 83149043. The next prime is 83149109. The reversal of 83149093 is 39094138.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40729924 + 42419169 = 6382^2 + 6513^2 .

It is a cyclic number.

It is not a de Polignac number, because 83149093 - 2¹³ = 83140901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83149013) 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, 2268 + ... + 13093.

It is an arithmetic number, because the mean of its divisors is an integer number (20792467).

Almost surely, 2^83149093 is an apocalyptic number.

It is an amenable number.

83149093 is a deficient number, since it is larger than the sum of its proper divisors (20775).

83149093 is a wasteful number, since it uses less digits than its factorization.

83149093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20774.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 83149093 is about 9118.6124492710. The cubic root of 83149093 is about 436.4680973383.

The spelling of 83149093 in words is "eighty-three million, one hundred forty-nine thousand, ninety-three".