7231660859 has 2 divisors, whose sum is σ = 7231660860. Its totient is φ = 7231660858.

The previous prime is 7231660853. The next prime is 7231660861. The reversal of 7231660859 is 9580661327.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7231660859 - 2¹² = 7231656763 is a prime.

Together with 7231660861, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7231660853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3615830429 + 3615830430.

It is an arithmetic number, because the mean of its divisors is an integer number (3615830430).

Almost surely, 2^7231660859 is an apocalyptic number.

7231660859 is a deficient number, since it is larger than the sum of its proper divisors (1).

7231660859 is an equidigital number, since it uses as much as digits as its factorization.

7231660859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 7231660859 is about 85039.1724971498. The cubic root of 7231660859 is about 1933.8050216285.

The spelling of 7231660859 in words is "seven billion, two hundred thirty-one million, six hundred sixty thousand, eight hundred fifty-nine".