680926450 has 12 divisors (see below), whose sum is σ = 1266523290. Its totient is φ = 272370560.

The previous prime is 680926447. The next prime is 680926453. The reversal of 680926450 is 54629086.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (680926447) and next prime (680926453).

It can be written as a sum of positive squares in 3 ways, for example, as 567440041 + 113486409 = 23821^2 + 10653^2 .

It is not an unprimeable number, because it can be changed into a prime (680926453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6809215 + ... + 6809314.

Almost surely, 2^680926450 is an apocalyptic number.

680926450 is a deficient number, since it is larger than the sum of its proper divisors (585596840).

680926450 is a wasteful number, since it uses less digits than its factorization.

680926450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13618541 (or 13618536 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 680926450 is about 26094.5674422858. The cubic root of 680926450 is about 879.7651103460.

The spelling of 680926450 in words is "six hundred eighty million, nine hundred twenty-six thousand, four hundred fifty".