5436234149 has 4 divisors (see below), whose sum is σ = 5455580460. Its totient is φ = 5416887840.

The previous prime is 5436234137. The next prime is 5436234163. The reversal of 5436234149 is 9414326345.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9414326345 = 5 ⋅1882865269.

It can be written as a sum of positive squares in 2 ways, for example, as 3578193124 + 1858041025 = 59818^2 + 43105^2 .

It is a cyclic number.

It is not a de Polignac number, because 5436234149 - 2¹⁶ = 5436168613 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 (5436234119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9672734 + ... + 9673295.

It is an arithmetic number, because the mean of its divisors is an integer number (1363895115).

Almost surely, 2^5436234149 is an apocalyptic number.

It is an amenable number.

5436234149 is a deficient number, since it is larger than the sum of its proper divisors (19346311).

5436234149 is a wasteful number, since it uses less digits than its factorization.

5436234149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19346310.

The product of its digits is 311040, while the sum is 41.

The square root of 5436234149 is about 73730.8222455168. The cubic root of 5436234149 is about 1758.3259466179.

The spelling of 5436234149 in words is "five billion, four hundred thirty-six million, two hundred thirty-four thousand, one hundred forty-nine".