6858431963 has 2 divisors, whose sum is σ = 6858431964. Its totient is φ = 6858431962.

The previous prime is 6858431947. The next prime is 6858432001. The reversal of 6858431963 is 3691348586.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6858431963 - 2⁴ = 6858431947 is a prime.

It is a super-2 number, since 2×6858431963² = 94076177982200066738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6858731963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3429215981 + 3429215982.

It is an arithmetic number, because the mean of its divisors is an integer number (3429215982).

Almost surely, 2^6858431963 is an apocalyptic number.

6858431963 is a deficient number, since it is larger than the sum of its proper divisors (1).

6858431963 is an equidigital number, since it uses as much as digits as its factorization.

6858431963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3732480, while the sum is 53.

The square root of 6858431963 is about 82815.6504713934. The cubic root of 6858431963 is about 1899.9475482288.

The spelling of 6858431963 in words is "six billion, eight hundred fifty-eight million, four hundred thirty-one thousand, nine hundred sixty-three".