1799270214321 has 4 divisors (see below), whose sum is σ = 2399026952432. Its totient is φ = 1199513476212.

The previous prime is 1799270214317. The next prime is 1799270214323. The reversal of 1799270214321 is 1234120729971.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1799270214321 - 2² = 1799270214317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1799270214323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299878369051 + ... + 299878369056.

It is an arithmetic number, because the mean of its divisors is an integer number (599756738108).

Almost surely, 2^{1799270214321} is an apocalyptic number.

It is an amenable number.

1799270214321 is a deficient number, since it is larger than the sum of its proper divisors (599756738111).

1799270214321 is an equidigital number, since it uses as much as digits as its factorization.

1799270214321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599756738110.

The product of its (nonzero) digits is 381024, while the sum is 48.

The spelling of 1799270214321 in words is "one trillion, seven hundred ninety-nine billion, two hundred seventy million, two hundred fourteen thousand, three hundred twenty-one".