899520619 has 2 divisors, whose sum is σ = 899520620. Its totient is φ = 899520618.

The previous prime is 899520577. The next prime is 899520679. The reversal of 899520619 is 916025998.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 899520619 - 2¹⁵ = 899487851 is a prime.

It is a super-2 number, since 2×899520619² = 1618274688012286322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (899520679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449760309 + 449760310.

It is an arithmetic number, because the mean of its divisors is an integer number (449760310).

Almost surely, 2^899520619 is an apocalyptic number.

899520619 is a deficient number, since it is larger than the sum of its proper divisors (1).

899520619 is an equidigital number, since it uses as much as digits as its factorization.

899520619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 899520619 is about 29992.0092524659. The cubic root of 899520619 is about 965.3179329512.

The spelling of 899520619 in words is "eight hundred ninety-nine million, five hundred twenty thousand, six hundred nineteen".