2147502949 has 4 divisors (see below), whose sum is σ = 2260529440. Its totient is φ = 2034476460.

The previous prime is 2147502923. The next prime is 2147502971. The reversal of 2147502949 is 9492057412.

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 not a de Polignac number, because 2147502949 - 2⁷ = 2147502821 is a prime.

It is a super-2 number, since 2×2147502949² = 9223537831927393202, 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 (2147502979) 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, 56513217 + ... + 56513254.

It is an arithmetic number, because the mean of its divisors is an integer number (565132360).

Almost surely, 2^2147502949 is an apocalyptic number.

It is an amenable number.

2147502949 is a deficient number, since it is larger than the sum of its proper divisors (113026491).

2147502949 is a wasteful number, since it uses less digits than its factorization.

2147502949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113026490.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 2147502949 is about 46341.1582613124. The cubic root of 2147502949 is about 1290.1630202808.

The spelling of 2147502949 in words is "two billion, one hundred forty-seven million, five hundred two thousand, nine hundred forty-nine".