801232976421 has 12 divisors (see below), whose sum is σ = 1200200837472. Its totient is φ = 534155317452.

The previous prime is 801232976377. The next prime is 801232976449. The reversal of 801232976421 is 124679232108.

801232976421 is a `hidden beast` number, since 80 + 123 + 29 + 7 + 6 + 421 = 666.

It is not a de Polignac number, because 801232976421 - 2⁹ = 801232975909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801232976461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1648627281 + ... + 1648627766.

It is an arithmetic number, because the mean of its divisors is an integer number (100016736456).

Almost surely, 2^801232976421 is an apocalyptic number.

801232976421 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

801232976421 is a deficient number, since it is larger than the sum of its proper divisors (398967861051).

801232976421 is an equidigital number, since it uses as much as digits as its factorization.

801232976421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297255062 (or 3297255050 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 801232976421 in words is "eight hundred one billion, two hundred thirty-two million, nine hundred seventy-six thousand, four hundred twenty-one".