19316039 has 2 divisors, whose sum is σ = 19316040. Its totient is φ = 19316038.

The previous prime is 19316023. The next prime is 19316057. The reversal of 19316039 is 93061391.

It is a weak prime.

It is an emirp because it is prime and its reverse (93061391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19316039 - 2⁴ = 19316023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19315996 and 19316014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19319039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9658019 + 9658020.

It is an arithmetic number, because the mean of its divisors is an integer number (9658020).

Almost surely, 2^19316039 is an apocalyptic number.

19316039 is a deficient number, since it is larger than the sum of its proper divisors (1).

19316039 is an equidigital number, since it uses as much as digits as its factorization.

19316039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 19316039 is about 4395.0015927187. The cubic root of 19316039 is about 268.3115436528.

The spelling of 19316039 in words is "nineteen million, three hundred sixteen thousand, thirty-nine".