2156814335 has 24 divisors (see below), whose sum is σ = 2829906144. Its totient is φ = 1577197440.

The previous prime is 2156814269. The next prime is 2156814371. The reversal of 2156814335 is 5334186512.

It is a happy number.

It is not a de Polignac number, because 2156814335 - 2¹⁰ = 2156813311 is a prime.

It is a super-2 number, since 2×2156814335² = 9303696151322984450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74645 + ... + 99425.

It is an arithmetic number, because the mean of its divisors is an integer number (117912756).

Almost surely, 2^2156814335 is an apocalyptic number.

2156814335 is a deficient number, since it is larger than the sum of its proper divisors (673091809).

2156814335 is a wasteful number, since it uses less digits than its factorization.

2156814335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24915 (or 24902 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 2156814335 is about 46441.5152099929. The cubic root of 2156814335 is about 1292.0250099396.

The spelling of 2156814335 in words is "two billion, one hundred fifty-six million, eight hundred fourteen thousand, three hundred thirty-five".