2149507495 has 4 divisors (see below), whose sum is σ = 2579409000. Its totient is φ = 1719605992.

The previous prime is 2149507457. The next prime is 2149507513. The reversal of 2149507495 is 5947059412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2149507495 - 2²⁹ = 1612636583 is a prime.

It is a super-2 number, since 2×2149507495² = 9240764942122350050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214950745 + ... + 214950754.

It is an arithmetic number, because the mean of its divisors is an integer number (644852250).

Almost surely, 2^2149507495 is an apocalyptic number.

2149507495 is a deficient number, since it is larger than the sum of its proper divisors (429901505).

2149507495 is an equidigital number, since it uses as much as digits as its factorization.

2149507495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429901504.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 2149507495 is about 46362.7813553070. The cubic root of 2149507495 is about 1290.5643215321.

The spelling of 2149507495 in words is "two billion, one hundred forty-nine million, five hundred seven thousand, four hundred ninety-five".