996519019 has 2 divisors, whose sum is σ = 996519020. Its totient is φ = 996519018.

The previous prime is 996519001. The next prime is 996519031. The reversal of 996519019 is 910915699.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 996519019 - 2⁵ = 996518987 is a prime.

It is a super-2 number, since 2×996519019² = 1986100310457444722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (996519059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498259509 + 498259510.

It is an arithmetic number, because the mean of its divisors is an integer number (498259510).

Almost surely, 2^996519019 is an apocalyptic number.

996519019 is a deficient number, since it is larger than the sum of its proper divisors (1).

996519019 is an equidigital number, since it uses as much as digits as its factorization.

996519019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196830, while the sum is 49.

The square root of 996519019 is about 31567.6894783258. The cubic root of 996519019 is about 998.8383240315.

The spelling of 996519019 in words is "nine hundred ninety-six million, five hundred nineteen thousand, nineteen".