2132374221 has 8 divisors (see below), whose sum is σ = 3159072960. Its totient is φ = 1421582796.

The previous prime is 2132374219. The next prime is 2132374247. The reversal of 2132374221 is 1224732312.

2132374221 is a `hidden beast` number, since 2 + 1 + 3 + 237 + 422 + 1 = 666.

It is not a de Polignac number, because 2132374221 - 2¹ = 2132374219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 78976823 = 2132374221 / (2 + 1 + 3 + 2 + 3 + 7 + 4 + 2 + 2 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132374201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39488385 + ... + 39488438.

It is an arithmetic number, because the mean of its divisors is an integer number (394884120).

Almost surely, 2^2132374221 is an apocalyptic number.

It is an amenable number.

2132374221 is a deficient number, since it is larger than the sum of its proper divisors (1026698739).

2132374221 is an equidigital number, since it uses as much as digits as its factorization.

2132374221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78976832 (or 78976826 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 2132374221 is about 46177.6376723626. The cubic root of 2132374221 is about 1287.1262312274.

The spelling of 2132374221 in words is "two billion, one hundred thirty-two million, three hundred seventy-four thousand, two hundred twenty-one".