2164133500427 has 4 divisors (see below), whose sum is σ = 2176642942800. Its totient is φ = 2151624058056.

The previous prime is 2164133500423. The next prime is 2164133500429. The reversal of 2164133500427 is 7240053314612.

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 2164133500427 - 2² = 2164133500423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2164133500423) 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, 6254720927 + ... + 6254721272.

It is an arithmetic number, because the mean of its divisors is an integer number (544160735700).

Almost surely, 2^{2164133500427} is an apocalyptic number.

2164133500427 is a deficient number, since it is larger than the sum of its proper divisors (12509442373).

2164133500427 is a wasteful number, since it uses less digits than its factorization.

2164133500427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12509442372.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 2164133500427 in words is "two trillion, one hundred sixty-four billion, one hundred thirty-three million, five hundred thousand, four hundred twenty-seven".