2217869830457 has 4 divisors (see below), whose sum is σ = 2217942238800. Its totient is φ = 2217797422116.

The previous prime is 2217869830381. The next prime is 2217869830481. The reversal of 2217869830457 is 7540389687122.

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 2217869830457 - 2²² = 2217865636153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2217869830457.

It is not an unprimeable number, because it can be changed into a prime (2217869850457) 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, 36158207 + ... + 36219492.

It is an arithmetic number, because the mean of its divisors is an integer number (554485559700).

It is a 1-persistent number, because it is pandigital, but 2⋅2217869830457 = 4435739660914 is not.

Almost surely, 2^{2217869830457} is an apocalyptic number.

It is an amenable number.

2217869830457 is a deficient number, since it is larger than the sum of its proper divisors (72408343).

2217869830457 is an equidigital number, since it uses as much as digits as its factorization.

2217869830457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72408342.

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 2217869830457 in words is "two trillion, two hundred seventeen billion, eight hundred sixty-nine million, eight hundred thirty thousand, four hundred fifty-seven".