5211069091 has 2 divisors, whose sum is σ = 5211069092. Its totient is φ = 5211069090.

The previous prime is 5211068987. The next prime is 5211069121. The reversal of 5211069091 is 1909601125.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5211069091 - 2⁹ = 5211068579 is a prime.

It is not a weakly prime, because it can be changed into another prime (5211069991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605534545 + 2605534546.

It is an arithmetic number, because the mean of its divisors is an integer number (2605534546).

Almost surely, 2^5211069091 is an apocalyptic number.

5211069091 is a deficient number, since it is larger than the sum of its proper divisors (1).

5211069091 is an equidigital number, since it uses as much as digits as its factorization.

5211069091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 34.

The square root of 5211069091 is about 72187.7350455048. The cubic root of 5211069091 is about 1733.7066317004.

The spelling of 5211069091 in words is "five billion, two hundred eleven million, sixty-nine thousand, ninety-one".