2051133899 has 2 divisors, whose sum is σ = 2051133900. Its totient is φ = 2051133898.

The previous prime is 2051133881. The next prime is 2051133907. The reversal of 2051133899 is 9983311502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2051133899 - 2¹² = 2051129803 is a prime.

It is not a weakly prime, because it can be changed into another prime (2051133829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025566949 + 1025566950.

It is an arithmetic number, because the mean of its divisors is an integer number (1025566950).

Almost surely, 2^2051133899 is an apocalyptic number.

2051133899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051133899 is an equidigital number, since it uses as much as digits as its factorization.

2051133899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 2051133899 is about 45289.4457793425. The cubic root of 2051133899 is about 1270.5682659532.

The spelling of 2051133899 in words is "two billion, fifty-one million, one hundred thirty-three thousand, eight hundred ninety-nine".