68484919 has 2 divisors, whose sum is σ = 68484920. Its totient is φ = 68484918.

The previous prime is 68484907. The next prime is 68484943. The reversal of 68484919 is 91948486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68484919 - 2⁵ = 68484887 is a prime.

It is a super-2 number, since 2×68484919² = 9380368260873122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68484989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34242459 + 34242460.

It is an arithmetic number, because the mean of its divisors is an integer number (34242460).

Almost surely, 2^68484919 is an apocalyptic number.

68484919 is a deficient number, since it is larger than the sum of its proper divisors (1).

68484919 is an equidigital number, since it uses as much as digits as its factorization.

68484919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 49.

The square root of 68484919 is about 8275.5615519432. The cubic root of 68484919 is about 409.1334444197.

The spelling of 68484919 in words is "sixty-eight million, four hundred eighty-four thousand, nine hundred nineteen".