980745681 has 8 divisors (see below), whose sum is σ = 1307978080. Its totient is φ = 653671872.

The previous prime is 980745671. The next prime is 980745713. The reversal of 980745681 is 186547089.

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

It is not a de Polignac number, because 980745681 - 2¹⁴ = 980729297 is a prime.

It is a super-2 number, since 2×980745681² = 1923724181600307522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 980745681.

It is not an unprimeable number, because it can be changed into a prime (980745611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24376 + ... + 50553.

It is an arithmetic number, because the mean of its divisors is an integer number (163497260).

Almost surely, 2^980745681 is an apocalyptic number.

It is an amenable number.

980745681 is a deficient number, since it is larger than the sum of its proper divisors (327232399).

980745681 is a wasteful number, since it uses less digits than its factorization.

980745681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79295.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 980745681 is about 31316.8593731875. The cubic root of 980745681 is about 993.5402552154.

The spelling of 980745681 in words is "nine hundred eighty million, seven hundred forty-five thousand, six hundred eighty-one".