2127432457 has 2 divisors, whose sum is σ = 2127432458. Its totient is φ = 2127432456.

The previous prime is 2127432397. The next prime is 2127432553. The reversal of 2127432457 is 7542347212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1108290681 + 1019141776 = 33291^2 + 31924^2 .

It is a cyclic number.

It is not a de Polignac number, because 2127432457 - 2¹⁵ = 2127399689 is a prime.

It is not a weakly prime, because it can be changed into another prime (2127492457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063716228 + 1063716229.

It is an arithmetic number, because the mean of its divisors is an integer number (1063716229).

Almost surely, 2^2127432457 is an apocalyptic number.

It is an amenable number.

2127432457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2127432457 is an equidigital number, since it uses as much as digits as its factorization.

2127432457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 37.

The square root of 2127432457 is about 46124.0984410536. The cubic root of 2127432457 is about 1286.1311597942.

Adding to 2127432457 its reverse (7542347212), we get a palindrome (9669779669).

The spelling of 2127432457 in words is "two billion, one hundred twenty-seven million, four hundred thirty-two thousand, four hundred fifty-seven".