681010363 has 8 divisors (see below), whose sum is σ = 743120496. Its totient is φ = 618933600.

The previous prime is 681010349. The next prime is 681010373. The reversal of 681010363 is 363010186.

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

It is a cyclic number.

It is not a de Polignac number, because 681010363 - 2¹³ = 681002171 is a prime.

It is a super-2 number, since 2×681010363² = 927550229026783538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (681010313) 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, 55845 + ... + 66937.

It is an arithmetic number, because the mean of its divisors is an integer number (92890062).

Almost surely, 2^681010363 is an apocalyptic number.

681010363 is a deficient number, since it is larger than the sum of its proper divisors (62110133).

681010363 is a wasteful number, since it uses less digits than its factorization.

681010363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16685.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 681010363 is about 26096.1752561558. The cubic root of 681010363 is about 879.8012477279.

The spelling of 681010363 in words is "six hundred eighty-one million, ten thousand, three hundred sixty-three".