681019346 has 48 divisors (see below), whose sum is σ = 1239823872. Its totient is φ = 279417600.

The previous prime is 681019333. The next prime is 681019357. The reversal of 681019346 is 643910186.

681019346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 293531 + ... + 295841.

It is an arithmetic number, because the mean of its divisors is an integer number (25829664).

Almost surely, 2^681019346 is an apocalyptic number.

681019346 is a deficient number, since it is larger than the sum of its proper divisors (558804526).

681019346 is a wasteful number, since it uses less digits than its factorization.

681019346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455 (or 2448 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 681019346 is about 26096.3473689327. The cubic root of 681019346 is about 879.8051161075.

The spelling of 681019346 in words is "six hundred eighty-one million, nineteen thousand, three hundred forty-six".