680741469 has 16 divisors (see below), whose sum is σ = 1025601600. Its totient is φ = 446134608.

The previous prime is 680741461. The next prime is 680741473. The reversal of 680741469 is 964147086.

It is not a de Polignac number, because 680741469 - 2³ = 680741461 is a prime.

It is a super-2 number, since 2×680741469² = 926817895232555922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680741461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212074 + ... + 215259.

It is an arithmetic number, because the mean of its divisors is an integer number (64100100).

Almost surely, 2^680741469 is an apocalyptic number.

It is an amenable number.

680741469 is a deficient number, since it is larger than the sum of its proper divisors (344860131).

680741469 is a wasteful number, since it uses less digits than its factorization.

680741469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427401 (or 427395 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 680741469 is about 26091.0227664613. The cubic root of 680741469 is about 879.6854372434.

The spelling of 680741469 in words is "six hundred eighty million, seven hundred forty-one thousand, four hundred sixty-nine".