2273304018743 has 4 divisors (see below), whose sum is σ = 2273321587368. Its totient is φ = 2273286450120.

The previous prime is 2273304018737. The next prime is 2273304018827. The reversal of 2273304018743 is 3478104033722.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2273304018743 - 2⁸ = 2273304018487 is a prime.

It is a super-2 number, since 2×2273304018743² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2273304018694 and 2273304018703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273301018743) 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, 8588768 + ... + 8849493.

It is an arithmetic number, because the mean of its divisors is an integer number (568330396842).

Almost surely, 2^{2273304018743} is an apocalyptic number.

2273304018743 is a deficient number, since it is larger than the sum of its proper divisors (17568625).

2273304018743 is a wasteful number, since it uses less digits than its factorization.

2273304018743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17568624.

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 2273304018743 in words is "two trillion, two hundred seventy-three billion, three hundred four million, eighteen thousand, seven hundred forty-three".