680469045 has 8 divisors (see below), whose sum is σ = 1088750496. Its totient is φ = 362916816.

The previous prime is 680469019. The next prime is 680469071. The reversal of 680469045 is 540964086.

It is an interprime number because it is at equal distance from previous prime (680469019) and next prime (680469071).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 680469045 - 2⁶ = 680468981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 680468988 and 680469006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22682287 + ... + 22682316.

It is an arithmetic number, because the mean of its divisors is an integer number (136093812).

Almost surely, 2^680469045 is an apocalyptic number.

It is an amenable number.

680469045 is a deficient number, since it is larger than the sum of its proper divisors (408281451).

680469045 is a wasteful number, since it uses less digits than its factorization.

680469045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45364611.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 680469045 is about 26085.8015978041. The cubic root of 680469045 is about 879.5680753121.

The spelling of 680469045 in words is "six hundred eighty million, four hundred sixty-nine thousand, forty-five".