2136647763223 has 4 divisors (see below), whose sum is σ = 2157391916368. Its totient is φ = 2115903610080.

The previous prime is 2136647763221. The next prime is 2136647763253. The reversal of 2136647763223 is 3223677466312.

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 2136647763223 - 2¹ = 2136647763221 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 (2136647763221) 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, 10372076418 + ... + 10372076623.

It is an arithmetic number, because the mean of its divisors is an integer number (539347979092).

Almost surely, 2^{2136647763223} is an apocalyptic number.

2136647763223 is a deficient number, since it is larger than the sum of its proper divisors (20744153145).

2136647763223 is a wasteful number, since it uses less digits than its factorization.

2136647763223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20744153144.

The product of its digits is 9144576, while the sum is 52.

The spelling of 2136647763223 in words is "two trillion, one hundred thirty-six billion, six hundred forty-seven million, seven hundred sixty-three thousand, two hundred twenty-three".