680054969 has 12 divisors (see below), whose sum is σ = 758036160. Its totient is φ = 609516600.

The previous prime is 680054911. The next prime is 680054971. The reversal of 680054969 is 969450086.

It is not a de Polignac number, because 680054969 - 2¹² = 680050873 is a prime.

It is a super-2 number, since 2×680054969² = 924949521723181922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680054909) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30989 + ... + 48170.

It is an arithmetic number, because the mean of its divisors is an integer number (63169680).

Almost surely, 2^680054969 is an apocalyptic number.

It is an amenable number.

680054969 is a deficient number, since it is larger than the sum of its proper divisors (77981191).

680054969 is a wasteful number, since it uses less digits than its factorization.

680054969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79252 (or 79241 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 680054969 is about 26077.8635819731. The cubic root of 680054969 is about 879.3896288256.

The spelling of 680054969 in words is "six hundred eighty million, fifty-four thousand, nine hundred sixty-nine".