2156264343 has 48 divisors (see below), whose sum is σ = 3481077600. Its totient is φ = 1278167040.

The previous prime is 2156264317. The next prime is 2156264351. The reversal of 2156264343 is 3434626512.

2156264343 is a `hidden beast` number, since 2 + 1 + 5 + 6 + 2 + 643 + 4 + 3 = 666.

2156264343 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2156264343 - 2⁹ = 2156263831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2156264298 and 2156264307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156264393) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1339323 + ... + 1340931.

It is an arithmetic number, because the mean of its divisors is an integer number (72522450).

Almost surely, 2^2156264343 is an apocalyptic number.

2156264343 is a deficient number, since it is larger than the sum of its proper divisors (1324813257).

2156264343 is a wasteful number, since it uses less digits than its factorization.

2156264343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2112 (or 2109 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 2156264343 is about 46435.5934924924. The cubic root of 2156264343 is about 1291.9151776099.

It can be divided in two parts, 21562 and 64343, that added together give a triangular number (85905 = T₄₁₄).

The spelling of 2156264343 in words is "two billion, one hundred fifty-six million, two hundred sixty-four thousand, three hundred forty-three".