2132807857 has 2 divisors, whose sum is σ = 2132807858. Its totient is φ = 2132807856.

The previous prime is 2132807849. The next prime is 2132807881. The reversal of 2132807857 is 7587082312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1531626496 + 601181361 = 39136^2 + 24519^2 .

It is a cyclic number.

It is not a de Polignac number, because 2132807857 - 2³ = 2132807849 is a prime.

It is not a weakly prime, because it can be changed into another prime (2132807357) 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, 1066403928 + 1066403929.

It is an arithmetic number, because the mean of its divisors is an integer number (1066403929).

Almost surely, 2^2132807857 is an apocalyptic number.

It is an amenable number.

2132807857 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132807857 is an equidigital number, since it uses as much as digits as its factorization.

2132807857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 43.

The square root of 2132807857 is about 46182.3327366646. The cubic root of 2132807857 is about 1287.2134745819.

The spelling of 2132807857 in words is "two billion, one hundred thirty-two million, eight hundred seven thousand, eight hundred fifty-seven".