219591341972 has 24 divisors (see below), whose sum is σ = 391177934784. Its totient is φ = 107835944832.

The previous prime is 219591341929. The next prime is 219591341993. The reversal of 219591341972 is 279143195912.

219591341972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125368 + ... + 1305999.

It is an arithmetic number, because the mean of its divisors is an integer number (16299080616).

Almost surely, 2^219591341972 is an apocalyptic number.

It is an amenable number.

219591341972 is a deficient number, since it is larger than the sum of its proper divisors (171586592812).

219591341972 is a wasteful number, since it uses less digits than its factorization.

219591341972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431775 (or 2431773 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 53.

The spelling of 219591341972 in words is "two hundred nineteen billion, five hundred ninety-one million, three hundred forty-one thousand, nine hundred seventy-two".