682424191 has 4 divisors (see below), whose sum is σ = 712094832. Its totient is φ = 652753552.

The previous prime is 682424167. The next prime is 682424203. The reversal of 682424191 is 191424286.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 682424191 - 2¹³ = 682415999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 682424191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682424101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14835286 + ... + 14835331.

It is an arithmetic number, because the mean of its divisors is an integer number (178023708).

Almost surely, 2^682424191 is an apocalyptic number.

682424191 is a deficient number, since it is larger than the sum of its proper divisors (29670641).

682424191 is a wasteful number, since it uses less digits than its factorization.

682424191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29670640.

The product of its digits is 27648, while the sum is 37.

The square root of 682424191 is about 26123.2500083738. The cubic root of 682424191 is about 880.4096710826.

The spelling of 682424191 in words is "six hundred eighty-two million, four hundred twenty-four thousand, one hundred ninety-one".