681554462 has 8 divisors (see below), whose sum is σ = 1057584600. Its totient is φ = 329026264.

The previous prime is 681554443. The next prime is 681554479. The reversal of 681554462 is 264455186.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5875412 + ... + 5875527.

It is an arithmetic number, because the mean of its divisors is an integer number (132198075).

Almost surely, 2^681554462 is an apocalyptic number.

681554462 is a deficient number, since it is larger than the sum of its proper divisors (376030138).

681554462 is a wasteful number, since it uses less digits than its factorization.

681554462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11750970.

The product of its digits is 230400, while the sum is 41.

The square root of 681554462 is about 26106.5980548979. The cubic root of 681554462 is about 880.0354935753.

The spelling of 681554462 in words is "six hundred eighty-one million, five hundred fifty-four thousand, four hundred sixty-two".