21040079150219 has 8 divisors (see below), whose sum is σ = 21047880364320. Its totient is φ = 21032279392896.

The previous prime is 21040079150183. The next prime is 21040079150327. The reversal of 21040079150219 is 91205197004012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21040079150219 - 2²⁰ = 21040078101643 is a prime.

It is a super-2 number, since 2×21040079150219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21040079150719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28962962 + ... + 29680520.

It is an arithmetic number, because the mean of its divisors is an integer number (2630985045540).

Almost surely, 2^{21040079150219} is an apocalyptic number.

21040079150219 is a deficient number, since it is larger than the sum of its proper divisors (7801214101).

21040079150219 is an equidigital number, since it uses as much as digits as its factorization.

21040079150219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728389.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 21040079150219 in words is "twenty-one trillion, forty billion, seventy-nine million, one hundred fifty thousand, two hundred nineteen".