219990614453 has 8 divisors (see below), whose sum is σ = 230693986200. Its totient is φ = 209495075328.

The previous prime is 219990614411. The next prime is 219990614479. The reversal of 219990614453 is 354416099912.

It can be written as a sum of positive squares in 4 ways, for example, as 84671106289 + 135319508164 = 290983^2 + 367858^2 .

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 219990614453 - 2¹⁰ = 219990613429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 219990614395 and 219990614404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219990634453) 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, 51955988 + ... + 51960221.

It is an arithmetic number, because the mean of its divisors is an integer number (28836748275).

Almost surely, 2^219990614453 is an apocalyptic number.

It is an amenable number.

219990614453 is a deficient number, since it is larger than the sum of its proper divisors (10703371747).

219990614453 is a wasteful number, since it uses less digits than its factorization.

219990614453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103916311.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 219990614453 in words is "two hundred nineteen billion, nine hundred ninety million, six hundred fourteen thousand, four hundred fifty-three".