68248619 has 2 divisors, whose sum is σ = 68248620. Its totient is φ = 68248618.

The previous prime is 68248573. The next prime is 68248651. The reversal of 68248619 is 91684286.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68248619 - 2⁸ = 68248363 is a prime.

It is a super-2 number, since 2×68248619² = 9315747990814322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68248619.

It is not a weakly prime, because it can be changed into another prime (68248519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34124309 + 34124310.

It is an arithmetic number, because the mean of its divisors is an integer number (34124310).

Almost surely, 2^68248619 is an apocalyptic number.

68248619 is a deficient number, since it is larger than the sum of its proper divisors (1).

68248619 is an equidigital number, since it uses as much as digits as its factorization.

68248619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 44.

The square root of 68248619 is about 8261.2722385841. The cubic root of 68248619 is about 408.6623448908.

The spelling of 68248619 in words is "sixty-eight million, two hundred forty-eight thousand, six hundred nineteen".