8239149983 has 2 divisors, whose sum is σ = 8239149984. Its totient is φ = 8239149982.

The previous prime is 8239149979. The next prime is 8239150093. The reversal of 8239149983 is 3899419328.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8239149983 - 2² = 8239149979 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8239149913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4119574991 + 4119574992.

It is an arithmetic number, because the mean of its divisors is an integer number (4119574992).

Almost surely, 2^8239149983 is an apocalyptic number.

8239149983 is a deficient number, since it is larger than the sum of its proper divisors (1).

8239149983 is an equidigital number, since it uses as much as digits as its factorization.

8239149983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 56.

The square root of 8239149983 is about 90769.7635944922. The cubic root of 8239149983 is about 2019.7338131584.

The spelling of 8239149983 in words is "eight billion, two hundred thirty-nine million, one hundred forty-nine thousand, nine hundred eighty-three".