69328019 has 2 divisors, whose sum is σ = 69328020. Its totient is φ = 69328018.

The previous prime is 69328013. The next prime is 69328031. The reversal of 69328019 is 91082396.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69328019 - 2¹² = 69323923 is a prime.

It is a super-2 number, since 2×69328019² = 9612748436928722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (69328013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34664009 + 34664010.

It is an arithmetic number, because the mean of its divisors is an integer number (34664010).

Almost surely, 2^69328019 is an apocalyptic number.

69328019 is a deficient number, since it is larger than the sum of its proper divisors (1).

69328019 is an equidigital number, since it uses as much as digits as its factorization.

69328019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 69328019 is about 8326.3448763548. The cubic root of 69328019 is about 410.8055133644.

The spelling of 69328019 in words is "sixty-nine million, three hundred twenty-eight thousand, nineteen".