2142430757 has 2 divisors, whose sum is σ = 2142430758. Its totient is φ = 2142430756.

The previous prime is 2142430727. The next prime is 2142430781. The reversal of 2142430757 is 7570342412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1129027201 + 1013403556 = 33601^2 + 31834^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142430757 - 2²² = 2138236453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2142430727) 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, 1071215378 + 1071215379.

It is an arithmetic number, because the mean of its divisors is an integer number (1071215379).

Almost surely, 2^2142430757 is an apocalyptic number.

It is an amenable number.

2142430757 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142430757 is an equidigital number, since it uses as much as digits as its factorization.

2142430757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 2142430757 is about 46286.3992658751. The cubic root of 2142430757 is about 1289.1464732280.

The spelling of 2142430757 in words is "two billion, one hundred forty-two million, four hundred thirty thousand, seven hundred fifty-seven".