4842636149 has 4 divisors (see below), whose sum is σ = 5215146636. Its totient is φ = 4470125664.

The previous prime is 4842636143. The next prime is 4842636163. The reversal of 4842636149 is 9416362484.

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 1082739025 + 3759897124 = 32905^2 + 61318^2 .

It is a cyclic number.

It is not a de Polignac number, because 4842636149 - 2⁸ = 4842635893 is a prime.

It is a super-2 number, since 2×4842636149² = 46902249743203100402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4842636143) 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, 186255224 + ... + 186255249.

It is an arithmetic number, because the mean of its divisors is an integer number (1303786659).

Almost surely, 2^4842636149 is an apocalyptic number.

It is an amenable number.

4842636149 is a deficient number, since it is larger than the sum of its proper divisors (372510487).

4842636149 is a wasteful number, since it uses less digits than its factorization.

4842636149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372510486.

The product of its digits is 995328, while the sum is 47.

The square root of 4842636149 is about 69589.0519334759. The cubic root of 4842636149 is about 1691.8451596378.

The spelling of 4842636149 in words is "four billion, eight hundred forty-two million, six hundred thirty-six thousand, one hundred forty-nine".