680415034829 has 2 divisors, whose sum is σ = 680415034830. Its totient is φ = 680415034828.

The previous prime is 680415034679. The next prime is 680415034841. The reversal of 680415034829 is 928430514086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 604042948804 + 76372086025 = 777202^2 + 276355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-680415034829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (680415834829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340207517414 + 340207517415.

It is an arithmetic number, because the mean of its divisors is an integer number (340207517415).

Almost surely, 2^680415034829 is an apocalyptic number.

It is an amenable number.

680415034829 is a deficient number, since it is larger than the sum of its proper divisors (1).

680415034829 is an equidigital number, since it uses as much as digits as its factorization.

680415034829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 680415034829 in words is "six hundred eighty billion, four hundred fifteen million, thirty-four thousand, eight hundred twenty-nine".