682911407 has 2 divisors, whose sum is σ = 682911408. Its totient is φ = 682911406.

The previous prime is 682911373. The next prime is 682911461. The reversal of 682911407 is 704119286.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 682911407 - 2¹² = 682907311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682911497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341455703 + 341455704.

It is an arithmetic number, because the mean of its divisors is an integer number (341455704).

Almost surely, 2^682911407 is an apocalyptic number.

682911407 is a deficient number, since it is larger than the sum of its proper divisors (1).

682911407 is an equidigital number, since it uses as much as digits as its factorization.

682911407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 682911407 is about 26132.5736773093. The cubic root of 682911407 is about 880.6191437447.

The spelling of 682911407 in words is "six hundred eighty-two million, nine hundred eleven thousand, four hundred seven".