2545163356223 has 4 divisors (see below), whose sum is σ = 2679119322360. Its totient is φ = 2411207390088.

The previous prime is 2545163356159. The next prime is 2545163356247. The reversal of 2545163356223 is 3226533615452.

It is a happy number.

2545163356223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2545163356223 - 2⁶ = 2545163356159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545163356823) 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, 66977983040 + ... + 66977983077.

It is an arithmetic number, because the mean of its divisors is an integer number (669779830590).

Almost surely, 2^{2545163356223} is an apocalyptic number.

2545163356223 is a deficient number, since it is larger than the sum of its proper divisors (133955966137).

2545163356223 is a wasteful number, since it uses less digits than its factorization.

2545163356223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133955966136.

The product of its digits is 3888000, while the sum is 47.

The spelling of 2545163356223 in words is "two trillion, five hundred forty-five billion, one hundred sixty-three million, three hundred fifty-six thousand, two hundred twenty-three".