2133337861 has 4 divisors (see below), whose sum is σ = 2133863424. Its totient is φ = 2132812300.

The previous prime is 2133337807. The next prime is 2133337867. The reversal of 2133337861 is 1687333312.

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 2133337861 - 2¹³ = 2133329669 is a prime.

It is a super-2 number, since 2×2133337861² = 9102260858352110642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2133337861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133337867) 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, 256645 + ... + 264826.

It is an arithmetic number, because the mean of its divisors is an integer number (533465856).

Almost surely, 2^2133337861 is an apocalyptic number.

It is an amenable number.

2133337861 is a deficient number, since it is larger than the sum of its proper divisors (525563).

2133337861 is an equidigital number, since it uses as much as digits as its factorization.

2133337861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525562.

The product of its digits is 54432, while the sum is 37.

The square root of 2133337861 is about 46188.0705485735. The cubic root of 2133337861 is about 1287.3200901848.

The spelling of 2133337861 in words is "two billion, one hundred thirty-three million, three hundred thirty-seven thousand, eight hundred sixty-one".