2132555449 has 2 divisors, whose sum is σ = 2132555450. Its totient is φ = 2132555448.

The previous prime is 2132555443. The next prime is 2132555507. The reversal of 2132555449 is 9445552312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2131484224 + 1071225 = 46168^2 + 1035^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132555449 - 2²⁷ = 1998337721 is a prime.

It is not a weakly prime, because it can be changed into another prime (2132555443) 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 as a sum of consecutive naturals, namely, 1066277724 + 1066277725.

It is an arithmetic number, because the mean of its divisors is an integer number (1066277725).

Almost surely, 2^2132555449 is an apocalyptic number.

It is an amenable number.

2132555449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132555449 is an equidigital number, since it uses as much as digits as its factorization.

2132555449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 40.

The square root of 2132555449 is about 46179.5999224766. The cubic root of 2132555449 is about 1287.1626939805.

The spelling of 2132555449 in words is "two billion, one hundred thirty-two million, five hundred fifty-five thousand, four hundred forty-nine".