2162101543 has 4 divisors (see below), whose sum is σ = 2470973200. Its totient is φ = 1853229888.

The previous prime is 2162101489. The next prime is 2162101573. The reversal of 2162101543 is 3451012612.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2162101543 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 (2162101573) 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, 154435818 + ... + 154435831.

It is an arithmetic number, because the mean of its divisors is an integer number (617743300).

Almost surely, 2^2162101543 is an apocalyptic number.

2162101543 is a deficient number, since it is larger than the sum of its proper divisors (308871657).

2162101543 is an equidigital number, since it uses as much as digits as its factorization.

2162101543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308871656.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2162101543 is about 46498.4036607710. The cubic root of 2162101543 is about 1293.0799037939.

The spelling of 2162101543 in words is "two billion, one hundred sixty-two million, one hundred one thousand, five hundred forty-three".