80730244981 has 8 divisors (see below), whose sum is σ = 85586729984. Its totient is φ = 76014527760.

The previous prime is 80730244967. The next prime is 80730245003. The reversal of 80730244981 is 18944203708.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80730244981 is a prime.

It is a super-2 number, since 2×80730244981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80730244961) 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, 35190765 + ... + 35193058.

It is an arithmetic number, because the mean of its divisors is an integer number (10698341248).

Almost surely, 2^80730244981 is an apocalyptic number.

It is an amenable number.

80730244981 is a deficient number, since it is larger than the sum of its proper divisors (4856485003).

80730244981 is a wasteful number, since it uses less digits than its factorization.

80730244981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70383891.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 80730244981 in words is "eighty billion, seven hundred thirty million, two hundred forty-four thousand, nine hundred eighty-one".