68425619 has 2 divisors, whose sum is σ = 68425620. Its totient is φ = 68425618.

The previous prime is 68425589. The next prime is 68425639. The reversal of 68425619 is 91652486.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68425619 - 2¹² = 68421523 is a prime.

It is a super-2 number, since 2×68425619² = 9364130671066322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68425639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34212809 + 34212810.

It is an arithmetic number, because the mean of its divisors is an integer number (34212810).

Almost surely, 2^68425619 is an apocalyptic number.

68425619 is a deficient number, since it is larger than the sum of its proper divisors (1).

68425619 is an equidigital number, since it uses as much as digits as its factorization.

68425619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 68425619 is about 8271.9779375915. The cubic root of 68425619 is about 409.0153229434.

The spelling of 68425619 in words is "sixty-eight million, four hundred twenty-five thousand, six hundred nineteen".