80049699791421 has 16 divisors (see below), whose sum is σ = 106749823979520. Its totient is φ = 53358021566640.

The previous prime is 80049699791401. The next prime is 80049699791423. The reversal of 80049699791421 is 12419799694008.

It is not a de Polignac number, because 80049699791421 - 2¹¹ = 80049699789373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80049699791423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121752740 + ... + 1121824098.

It is an arithmetic number, because the mean of its divisors is an integer number (6671863998720).

Almost surely, 2^{80049699791421} is an apocalyptic number.

It is an amenable number.

80049699791421 is a deficient number, since it is larger than the sum of its proper divisors (26700124188099).

80049699791421 is a wasteful number, since it uses less digits than its factorization.

80049699791421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125296.

The product of its (nonzero) digits is 70543872, while the sum is 69.

The spelling of 80049699791421 in words is "eighty trillion, forty-nine billion, six hundred ninety-nine million, seven hundred ninety-one thousand, four hundred twenty-one".