8399020351 has 2 divisors, whose sum is σ = 8399020352. Its totient is φ = 8399020350.

The previous prime is 8399020349. The next prime is 8399020363. The reversal of 8399020351 is 1530209938.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8399020351 - 2¹ = 8399020349 is a prime.

Together with 8399020349, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8399024351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4199510175 + 4199510176.

It is an arithmetic number, because the mean of its divisors is an integer number (4199510176).

Almost surely, 2^8399020351 is an apocalyptic number.

8399020351 is a deficient number, since it is larger than the sum of its proper divisors (1).

8399020351 is an equidigital number, since it uses as much as digits as its factorization.

8399020351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 8399020351 is about 91646.1693198357. The cubic root of 8399020351 is about 2032.7136858213.

The spelling of 8399020351 in words is "eight billion, three hundred ninety-nine million, twenty thousand, three hundred fifty-one".