696228019 has 2 divisors, whose sum is σ = 696228020. Its totient is φ = 696228018.

The previous prime is 696227989. The next prime is 696228023. The reversal of 696228019 is 910822696.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 696228019 - 2²¹ = 694130867 is a prime.

It is a super-2 number, since 2×696228019² = 969466908881328722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (696228079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348114009 + 348114010.

It is an arithmetic number, because the mean of its divisors is an integer number (348114010).

Almost surely, 2^696228019 is an apocalyptic number.

696228019 is a deficient number, since it is larger than the sum of its proper divisors (1).

696228019 is an equidigital number, since it uses as much as digits as its factorization.

696228019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 696228019 is about 26386.1330816018. The cubic root of 696228019 is about 886.3062918417.

The spelling of 696228019 in words is "six hundred ninety-six million, two hundred twenty-eight thousand, nineteen".