7142260049 has 2 divisors, whose sum is σ = 7142260050. Its totient is φ = 7142260048.

The previous prime is 7142260009. The next prime is 7142260051. The reversal of 7142260049 is 9400622417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4360225024 + 2782035025 = 66032^2 + 52745^2 .

It is an emirp because it is prime and its reverse (9400622417) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7142260049 is a prime.

It is a Sophie Germain prime.

Together with 7142260051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7142260009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3571130024 + 3571130025.

It is an arithmetic number, because the mean of its divisors is an integer number (3571130025).

Almost surely, 2^7142260049 is an apocalyptic number.

It is an amenable number.

7142260049 is a deficient number, since it is larger than the sum of its proper divisors (1).

7142260049 is an equidigital number, since it uses as much as digits as its factorization.

7142260049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 7142260049 is about 84511.8929441295. The cubic root of 7142260049 is about 1925.8031212535.

The spelling of 7142260049 in words is "seven billion, one hundred forty-two million, two hundred sixty thousand, forty-nine".