2051326633 has 4 divisors (see below), whose sum is σ = 2054440080. Its totient is φ = 2048213188.

The previous prime is 2051326577. The next prime is 2051326661. The reversal of 2051326633 is 3366231502.

It is a happy number.

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 2051326633 - 2¹³ = 2051318441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2051326595 and 2051326604.

It is not an unprimeable number, because it can be changed into a prime (2051326663) 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, 1555735 + ... + 1557052.

It is an arithmetic number, because the mean of its divisors is an integer number (513610020).

Almost surely, 2^2051326633 is an apocalyptic number.

It is an amenable number.

2051326633 is a deficient number, since it is larger than the sum of its proper divisors (3113447).

2051326633 is an equidigital number, since it uses as much as digits as its factorization.

2051326633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113446.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 2051326633 is about 45291.5735319496. The cubic root of 2051326633 is about 1270.6080608580.

The spelling of 2051326633 in words is "two billion, fifty-one million, three hundred twenty-six thousand, six hundred thirty-three".