2163420203535 has 16 divisors (see below), whose sum is σ = 3846080362080. Its totient is φ = 1153824108480.

The previous prime is 2163420203501. The next prime is 2163420203599. The reversal of 2163420203535 is 5353020243612.

2163420203535 is a `hidden beast` number, since 2 + 1 + 63 + 42 + 0 + 20 + 3 + 535 = 666.

It is not a de Polignac number, because 2163420203535 - 2²⁰ = 2163419154959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2163420203535.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8012667286 + ... + 8012667555.

It is an arithmetic number, because the mean of its divisors is an integer number (240380022630).

Almost surely, 2^{2163420203535} is an apocalyptic number.

2163420203535 is a deficient number, since it is larger than the sum of its proper divisors (1682660158545).

2163420203535 is a wasteful number, since it uses less digits than its factorization.

2163420203535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16025334855 (or 16025334849 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 2163420203535 in words is "two trillion, one hundred sixty-three billion, four hundred twenty million, two hundred three thousand, five hundred thirty-five".