2149127995 has 24 divisors (see below), whose sum is σ = 3029745168. Its totient is φ = 1459080000.

The previous prime is 2149127993. The next prime is 2149127999. The reversal of 2149127995 is 5997219412.

It is not a de Polignac number, because 2149127995 - 2¹ = 2149127993 is a prime.

It is a super-2 number, since 2×2149127995² = 9237502277785440050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2149127993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18681 + ... + 68170.

It is an arithmetic number, because the mean of its divisors is an integer number (126239382).

Almost surely, 2^2149127995 is an apocalyptic number.

2149127995 is a deficient number, since it is larger than the sum of its proper divisors (880617173).

2149127995 is a wasteful number, since it uses less digits than its factorization.

2149127995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86971 (or 86964 counting only the distinct ones).

The product of its digits is 408240, while the sum is 49.

The square root of 2149127995 is about 46358.6884521122. The cubic root of 2149127995 is about 1290.4883664607.

The spelling of 2149127995 in words is "two billion, one hundred forty-nine million, one hundred twenty-seven thousand, nine hundred ninety-five".