80332149769 has 4 divisors (see below), whose sum is σ = 80332787860. Its totient is φ = 80331511680.

The previous prime is 80332149757. The next prime is 80332149791. The reversal of 80332149769 is 96794123308.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 51579860544 + 28752289225 = 227112^2 + 169565^2 .

It is a cyclic number.

It is not a de Polignac number, because 80332149769 - 2⁹ = 80332149257 is a prime.

It is a super-2 number, since 2×80332149769² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80332149869) 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, 60204 + ... + 405325.

It is an arithmetic number, because the mean of its divisors is an integer number (20083196965).

Almost surely, 2^80332149769 is an apocalyptic number.

It is an amenable number.

80332149769 is a deficient number, since it is larger than the sum of its proper divisors (638091).

80332149769 is a wasteful number, since it uses less digits than its factorization.

80332149769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638090.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 80332149769 in words is "eighty billion, three hundred thirty-two million, one hundred forty-nine thousand, seven hundred sixty-nine".