2132455687 has 2 divisors, whose sum is σ = 2132455688. Its totient is φ = 2132455686.

The previous prime is 2132455679. The next prime is 2132455691. The reversal of 2132455687 is 7865542312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2132455687 - 2³ = 2132455679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2132455607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066227843 + 1066227844.

It is an arithmetic number, because the mean of its divisors is an integer number (1066227844).

Almost surely, 2^2132455687 is an apocalyptic number.

2132455687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132455687 is an equidigital number, since it uses as much as digits as its factorization.

2132455687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 43.

The square root of 2132455687 is about 46178.5197575669. The cubic root of 2132455687 is about 1287.1426222981.

Adding to 2132455687 its reverse (7865542312), we get a palindrome (9997997999).

The spelling of 2132455687 in words is "two billion, one hundred thirty-two million, four hundred fifty-five thousand, six hundred eighty-seven".