2147952839 has 8 divisors (see below), whose sum is σ = 2275067088. Its totient is φ = 2020923520.

The previous prime is 2147952827. The next prime is 2147952853. The reversal of 2147952839 is 9382597412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2147952839 - 2¹² = 2147948743 is a prime.

It is a super-2 number, since 2×2147952839² = 9227402797136319842, 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 (2147952139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35144 + ... + 74370.

It is an arithmetic number, because the mean of its divisors is an integer number (284383386).

Almost surely, 2^2147952839 is an apocalyptic number.

2147952839 is a deficient number, since it is larger than the sum of its proper divisors (127114249).

2147952839 is a wasteful number, since it uses less digits than its factorization.

2147952839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42465.

The product of its digits is 1088640, while the sum is 50.

The square root of 2147952839 is about 46346.0121153913. The cubic root of 2147952839 is about 1290.2531079978.

The spelling of 2147952839 in words is "two billion, one hundred forty-seven million, nine hundred fifty-two thousand, eight hundred thirty-nine".