681429310 has 16 divisors (see below), whose sum is σ = 1227924000. Its totient is φ = 272271456.

The previous prime is 681429293. The next prime is 681429311. The reversal of 681429310 is 13924186.

It is a super-2 number, since 2×681429310² = 928691809054152200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (681429311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27885 + ... + 46264.

It is an arithmetic number, because the mean of its divisors is an integer number (76745250).

Almost surely, 2^681429310 is an apocalyptic number.

681429310 is a deficient number, since it is larger than the sum of its proper divisors (546494690).

681429310 is a wasteful number, since it uses less digits than its factorization.

681429310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75075.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 681429310 is about 26104.2010029037. The cubic root of 681429310 is about 879.9816240998.

The spelling of 681429310 in words is "six hundred eighty-one million, four hundred twenty-nine thousand, three hundred ten".