2163261471 has 8 divisors (see below), whose sum is σ = 3296398464. Its totient is φ = 1236149400.

The previous prime is 2163261461. The next prime is 2163261497. The reversal of 2163261471 is 1741623612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2163261471 - 2¹⁷ = 2163130399 is a prime.

It is a super-3 number, since 3×2163261471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163261421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51506205 + ... + 51506246.

It is an arithmetic number, because the mean of its divisors is an integer number (412049808).

Almost surely, 2^2163261471 is an apocalyptic number.

2163261471 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2163261471 is a deficient number, since it is larger than the sum of its proper divisors (1133136993).

2163261471 is a wasteful number, since it uses less digits than its factorization.

2163261471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103012461.

The product of its digits is 12096, while the sum is 33.

The square root of 2163261471 is about 46510.8747606407. The cubic root of 2163261471 is about 1293.3111003739.

The spelling of 2163261471 in words is "two billion, one hundred sixty-three million, two hundred sixty-one thousand, four hundred seventy-one".