2216498657973 has 4 divisors (see below), whose sum is σ = 2955331543968. Its totient is φ = 1477665771980.

The previous prime is 2216498657939. The next prime is 2216498658007. The reversal of 2216498657973 is 3797568946122.

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 an interprime number because it is at equal distance from previous prime (2216498657939) and next prime (2216498658007).

It is a cyclic number.

It is not a de Polignac number, because 2216498657973 - 2¹⁸ = 2216498395829 is a prime.

It is a super-2 number, since 2×2216498657973² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2216498657898 and 2216498657907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216498657903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369416442993 + ... + 369416442998.

It is an arithmetic number, because the mean of its divisors is an integer number (738832885992).

Almost surely, 2^{2216498657973} is an apocalyptic number.

It is an amenable number.

2216498657973 is a deficient number, since it is larger than the sum of its proper divisors (738832885995).

2216498657973 is an equidigital number, since it uses as much as digits as its factorization.

2216498657973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738832885994.

The product of its digits is 274337280, while the sum is 69.

The spelling of 2216498657973 in words is "two trillion, two hundred sixteen billion, four hundred ninety-eight million, six hundred fifty-seven thousand, nine hundred seventy-three".