680424381 has 40 divisors (see below), whose sum is σ = 1251012224. Its totient is φ = 358901280.

The previous prime is 680424379. The next prime is 680424383. The reversal of 680424381 is 183424086.

It is an interprime number because it is at equal distance from previous prime (680424379) and next prime (680424383).

It is not a de Polignac number, because 680424381 - 2¹ = 680424379 is a prime.

It is a super-2 number, since 2×680424381² = 925954676518466322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680424383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38785 + ... + 53526.

Almost surely, 2^680424381 is an apocalyptic number.

It is an amenable number.

680424381 is a deficient number, since it is larger than the sum of its proper divisors (570587843).

680424381 is a wasteful number, since it uses less digits than its factorization.

680424381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92343 (or 92334 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 680424381 is about 26084.9454858545. The cubic root of 680424381 is about 879.5488307981.

The spelling of 680424381 in words is "six hundred eighty million, four hundred twenty-four thousand, three hundred eighty-one".