80541946069 has 16 divisors (see below), whose sum is σ = 90743546880. Its totient is φ = 70989805440.

The previous prime is 80541946039. The next prime is 80541946073. The reversal of 80541946069 is 96064914508.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 80541946069 - 2¹³ = 80541937877 is a prime.

It is a super-2 number, since 2×80541946069² (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 (80541946019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1582509 + ... + 1632610.

It is an arithmetic number, because the mean of its divisors is an integer number (5671471680).

Almost surely, 2^80541946069 is an apocalyptic number.

It is an amenable number.

80541946069 is a deficient number, since it is larger than the sum of its proper divisors (10201600811).

80541946069 is a wasteful number, since it uses less digits than its factorization.

80541946069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215220.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 80541946069 in words is "eighty billion, five hundred forty-one million, nine hundred forty-six thousand, sixty-nine".