8009973539 has 2 divisors, whose sum is σ = 8009973540. Its totient is φ = 8009973538.

The previous prime is 8009973523. The next prime is 8009973553. The reversal of 8009973539 is 9353799008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8009973539 - 2⁴ = 8009973523 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (8009973509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4004986769 + 4004986770.

It is an arithmetic number, because the mean of its divisors is an integer number (4004986770).

Almost surely, 2^8009973539 is an apocalyptic number.

8009973539 is a deficient number, since it is larger than the sum of its proper divisors (1).

8009973539 is an equidigital number, since it uses as much as digits as its factorization.

8009973539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The square root of 8009973539 is about 89498.4555118132. The cubic root of 8009973539 is about 2000.8307831019.

The spelling of 8009973539 in words is "eight billion, nine million, nine hundred seventy-three thousand, five hundred thirty-nine".