80533731631943 has 4 divisors (see below), whose sum is σ = 80536158915240. Its totient is φ = 80531304348648.

The previous prime is 80533731631933. The next prime is 80533731631973. The reversal of 80533731631943 is 34913613733508.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80533731631943 - 2⁸ = 80533731631687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80533731631933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213591880 + ... + 1213658237.

It is an arithmetic number, because the mean of its divisors is an integer number (20134039728810).

Almost surely, 2^{80533731631943} is an apocalyptic number.

80533731631943 is a deficient number, since it is larger than the sum of its proper divisors (2427283297).

80533731631943 is a wasteful number, since it uses less digits than its factorization.

80533731631943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427283296.

The product of its (nonzero) digits is 14696640, while the sum is 56.

The spelling of 80533731631943 in words is "eighty trillion, five hundred thirty-three billion, seven hundred thirty-one million, six hundred thirty-one thousand, nine hundred forty-three".