1822714490689 has 4 divisors (see below), whose sum is σ = 1823211011520. Its totient is φ = 1822217969860.

The previous prime is 1822714490683. The next prime is 1822714490801. The reversal of 1822714490689 is 9860944172281.

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 a cyclic number.

It is not a de Polignac number, because 1822714490689 - 2¹¹ = 1822714488641 is a prime.

It is a super-2 number, since 2×1822714490689² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1822714490683) 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, 248254909 + ... + 248262250.

It is an arithmetic number, because the mean of its divisors is an integer number (455802752880).

Almost surely, 2^{1822714490689} is an apocalyptic number.

It is an amenable number.

1822714490689 is a deficient number, since it is larger than the sum of its proper divisors (496520831).

1822714490689 is an equidigital number, since it uses as much as digits as its factorization.

1822714490689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496520830.

The product of its (nonzero) digits is 13934592, while the sum is 61.

The spelling of 1822714490689 in words is "one trillion, eight hundred twenty-two billion, seven hundred fourteen million, four hundred ninety thousand, six hundred eighty-nine".