680046129 has 24 divisors (see below), whose sum is σ = 1171427712. Its totient is φ = 371701440.

The previous prime is 680046113. The next prime is 680046139. The reversal of 680046129 is 921640086.

It is not a de Polignac number, because 680046129 - 2⁴ = 680046113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 680046093 and 680046102.

It is not an unprimeable number, because it can be changed into a prime (680046139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 233212 + ... + 236109.

It is an arithmetic number, because the mean of its divisors is an integer number (48809488).

Almost surely, 2^680046129 is an apocalyptic number.

680046129 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

680046129 is a deficient number, since it is larger than the sum of its proper divisors (491381583).

680046129 is a wasteful number, since it uses less digits than its factorization.

680046129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469357 (or 469354 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 680046129 is about 26077.6940890102. The cubic root of 680046129 is about 879.3858184287.

The spelling of 680046129 in words is "six hundred eighty million, forty-six thousand, one hundred twenty-nine".