4290857243 has 2 divisors, whose sum is σ = 4290857244. Its totient is φ = 4290857242.

The previous prime is 4290857237. The next prime is 4290857251. The reversal of 4290857243 is 3427580924.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4290857243 - 2⁴ = 4290857227 is a prime.

It is a super-2 number, since 2×4290857243² = 36822911759611122098, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 4290857194 and 4290857203.

It is not a weakly prime, because it can be changed into another prime (4290857213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2145428621 + 2145428622.

It is an arithmetic number, because the mean of its divisors is an integer number (2145428622).

Almost surely, 2^4290857243 is an apocalyptic number.

4290857243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4290857243 is an equidigital number, since it uses as much as digits as its factorization.

4290857243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 4290857243 is about 65504.6352787343. The cubic root of 4290857243 is about 1624.9800067599.

The spelling of 4290857243 in words is "four billion, two hundred ninety million, eight hundred fifty-seven thousand, two hundred forty-three".