2152249371 has 6 divisors (see below), whose sum is σ = 3108804660. Its totient is φ = 1434832908.

The previous prime is 2152249321. The next prime is 2152249381. The reversal of 2152249371 is 1739422512.

2152249371 is a `hidden beast` number, since 21 + 522 + 49 + 3 + 71 = 666.

It is not a de Polignac number, because 2152249371 - 2⁹ = 2152248859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2152249321) 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 5 ways as a sum of consecutive naturals, for example, 119569401 + ... + 119569418.

It is an arithmetic number, because the mean of its divisors is an integer number (518134110).

Almost surely, 2^2152249371 is an apocalyptic number.

2152249371 is a deficient number, since it is larger than the sum of its proper divisors (956555289).

2152249371 is a wasteful number, since it uses less digits than its factorization.

2152249371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239138825 (or 239138822 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 2152249371 is about 46392.3417279188. The cubic root of 2152249371 is about 1291.1128291684.

The spelling of 2152249371 in words is "two billion, one hundred fifty-two million, two hundred forty-nine thousand, three hundred seventy-one".