5426666239 has 2 divisors, whose sum is σ = 5426666240. Its totient is φ = 5426666238.

The previous prime is 5426666191. The next prime is 5426666251. The reversal of 5426666239 is 9326666245.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5426666239 - 2⁷ = 5426666111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5426666192 and 5426666201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5426666039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2713333119 + 2713333120.

It is an arithmetic number, because the mean of its divisors is an integer number (2713333120).

Almost surely, 2^5426666239 is an apocalyptic number.

5426666239 is a deficient number, since it is larger than the sum of its proper divisors (1).

5426666239 is an equidigital number, since it uses as much as digits as its factorization.

5426666239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 49.

The square root of 5426666239 is about 73665.9096122487. The cubic root of 5426666239 is about 1757.2937747418.

The spelling of 5426666239 in words is "five billion, four hundred twenty-six million, six hundred sixty-six thousand, two hundred thirty-nine".