2321451149 has 2 divisors, whose sum is σ = 2321451150. Its totient is φ = 2321451148.

The previous prime is 2321451137. The next prime is 2321451227. The reversal of 2321451149 is 9411541232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2129822500 + 191628649 = 46150^2 + 13843^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321451149 - 2¹⁶ = 2321385613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321451109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160725574 + 1160725575.

It is an arithmetic number, because the mean of its divisors is an integer number (1160725575).

Almost surely, 2^2321451149 is an apocalyptic number.

It is an amenable number.

2321451149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321451149 is an equidigital number, since it uses as much as digits as its factorization.

2321451149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 2321451149 is about 48181.4398809334. The cubic root of 2321451149 is about 1324.0971467024.

The spelling of 2321451149 in words is "two billion, three hundred twenty-one million, four hundred fifty-one thousand, one hundred forty-nine".