899473039 has 2 divisors, whose sum is σ = 899473040. Its totient is φ = 899473038.

The previous prime is 899473037. The next prime is 899473051. The reversal of 899473039 is 930374998.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 899473039 - 2¹ = 899473037 is a prime.

Together with 899473037, 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 (899473033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449736519 + 449736520.

It is an arithmetic number, because the mean of its divisors is an integer number (449736520).

Almost surely, 2^899473039 is an apocalyptic number.

899473039 is a deficient number, since it is larger than the sum of its proper divisors (1).

899473039 is an equidigital number, since it uses as much as digits as its factorization.

899473039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 899473039 is about 29991.2160306981. The cubic root of 899473039 is about 965.3009125382.

The spelling of 899473039 in words is "eight hundred ninety-nine million, four hundred seventy-three thousand, thirty-nine".