94989138149 has 4 divisors (see below), whose sum is σ = 95208513036. Its totient is φ = 94769763264.

The previous prime is 94989138133. The next prime is 94989138173. The reversal of 94989138149 is 94183198949.

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 49336405924 + 45652732225 = 222118^2 + 213665^2 .

It is a cyclic number.

It is not a de Polignac number, because 94989138149 - 2⁴ = 94989138133 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 (94989138119) 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, 109686794 + ... + 109687659.

It is an arithmetic number, because the mean of its divisors is an integer number (23802128259).

Almost surely, 2^94989138149 is an apocalyptic number.

It is an amenable number.

94989138149 is a deficient number, since it is larger than the sum of its proper divisors (219374887).

94989138149 is a wasteful number, since it uses less digits than its factorization.

94989138149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219374886.

The product of its digits is 20155392, while the sum is 65.

The spelling of 94989138149 in words is "ninety-four billion, nine hundred eighty-nine million, one hundred thirty-eight thousand, one hundred forty-nine".