2156365335 has 16 divisors (see below), whose sum is σ = 3508663680. Its totient is φ = 1130568480.

The previous prime is 2156365313. The next prime is 2156365339. The reversal of 2156365335 is 5335636512.

It is not a de Polignac number, because 2156365335 - 2⁵ = 2156365303 is a prime.

It is a super-2 number, since 2×2156365335² = 9299822915979324450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2156365293 and 2156365302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156365339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1217401 + ... + 1219170.

It is an arithmetic number, because the mean of its divisors is an integer number (219291480).

Almost surely, 2^2156365335 is an apocalyptic number.

2156365335 is a deficient number, since it is larger than the sum of its proper divisors (1352298345).

2156365335 is a wasteful number, since it uses less digits than its factorization.

2156365335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436638.

The product of its digits is 243000, while the sum is 39.

The square root of 2156365335 is about 46436.6809214440. The cubic root of 2156365335 is about 1291.9353469151.

The spelling of 2156365335 in words is "two billion, one hundred fifty-six million, three hundred sixty-five thousand, three hundred thirty-five".