2163505501 has 4 divisors (see below), whose sum is σ = 2177833504. Its totient is φ = 2149177500.

The previous prime is 2163505481. The next prime is 2163505529. The reversal of 2163505501 is 1055053612.

2163505501 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2163505501 - 2⁹ = 2163504989 is a prime.

It is a super-2 number, since 2×2163505501² = 9361512105714522002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2163505501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163505301) 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, 7163775 + ... + 7164076.

It is an arithmetic number, because the mean of its divisors is an integer number (544458376).

Almost surely, 2^2163505501 is an apocalyptic number.

It is an amenable number.

2163505501 is a deficient number, since it is larger than the sum of its proper divisors (14328003).

2163505501 is a wasteful number, since it uses less digits than its factorization.

2163505501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14328002.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 2163505501 is about 46513.4980516409. The cubic root of 2163505501 is about 1293.3597298538.

The spelling of 2163505501 in words is "two billion, one hundred sixty-three million, five hundred five thousand, five hundred one".