4239495149 has 4 divisors (see below), whose sum is σ = 4302771264. Its totient is φ = 4176219036.

The previous prime is 4239495119. The next prime is 4239495203. The reversal of 4239495149 is 9415949324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4239495149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4239495097 and 4239495106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4239495119) 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, 31637957 + ... + 31638090.

It is an arithmetic number, because the mean of its divisors is an integer number (1075692816).

Almost surely, 2^4239495149 is an apocalyptic number.

It is an amenable number.

4239495149 is a deficient number, since it is larger than the sum of its proper divisors (63276115).

4239495149 is an equidigital number, since it uses as much as digits as its factorization.

4239495149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63276114.

The product of its digits is 1399680, while the sum is 50.

The square root of 4239495149 is about 65111.4056751964. The cubic root of 4239495149 is about 1618.4702254685.

The spelling of 4239495149 in words is "four billion, two hundred thirty-nine million, four hundred ninety-five thousand, one hundred forty-nine".