2152232749 has 2 divisors, whose sum is σ = 2152232750. Its totient is φ = 2152232748.

The previous prime is 2152232743. The next prime is 2152232777. The reversal of 2152232749 is 9472322512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1327509225 + 824723524 = 36435^2 + 28718^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152232749 - 2⁵ = 2152232717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2152232743) 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 as a sum of consecutive naturals, namely, 1076116374 + 1076116375.

It is an arithmetic number, because the mean of its divisors is an integer number (1076116375).

Almost surely, 2^2152232749 is an apocalyptic number.

It is an amenable number.

2152232749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152232749 is an equidigital number, since it uses as much as digits as its factorization.

2152232749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 2152232749 is about 46392.1625816258. The cubic root of 2152232749 is about 1291.1095053694.

The spelling of 2152232749 in words is "two billion, one hundred fifty-two million, two hundred thirty-two thousand, seven hundred forty-nine".