2136410881 has 4 divisors (see below), whose sum is σ = 2330630064. Its totient is φ = 1942191700.

The previous prime is 2136410879. The next prime is 2136410929. The reversal of 2136410881 is 1880146312.

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 2136410881 - 2¹ = 2136410879 is a prime.

It is a super-2 number, since 2×2136410881² = 9128502904910392322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2136410981) 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, 97109575 + ... + 97109596.

It is an arithmetic number, because the mean of its divisors is an integer number (582657516).

Almost surely, 2^2136410881 is an apocalyptic number.

It is an amenable number.

2136410881 is a deficient number, since it is larger than the sum of its proper divisors (194219183).

2136410881 is a wasteful number, since it uses less digits than its factorization.

2136410881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194219182.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 2136410881 is about 46221.3249593735. The cubic root of 2136410881 is about 1287.9379111259.

The spelling of 2136410881 in words is "two billion, one hundred thirty-six million, four hundred ten thousand, eight hundred eighty-one".