2143350266453 has 16 divisors (see below), whose sum is σ = 2342260580352. Its totient is φ = 1945119150000.

The previous prime is 2143350266341. The next prime is 2143350266461. The reversal of 2143350266453 is 3546620533412.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2143350266453 - 2²⁸ = 2143081830997 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143350266653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17601728 + ... + 17723078.

It is an arithmetic number, because the mean of its divisors is an integer number (146391286272).

Almost surely, 2^{2143350266453} is an apocalyptic number.

It is an amenable number.

2143350266453 is a deficient number, since it is larger than the sum of its proper divisors (198910313899).

2143350266453 is a wasteful number, since it uses less digits than its factorization.

2143350266453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124136.

The product of its (nonzero) digits is 1555200, while the sum is 44.

Adding to 2143350266453 its reverse (3546620533412), we get a palindrome (5689970799865).

The spelling of 2143350266453 in words is "two trillion, one hundred forty-three billion, three hundred fifty million, two hundred sixty-six thousand, four hundred fifty-three".