902091011 has 2 divisors, whose sum is σ = 902091012. Its totient is φ = 902091010.

The previous prime is 902090993. The next prime is 902091013. The reversal of 902091011 is 110190209.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 902091011 - 2⁶ = 902090947 is a prime.

Together with 902091013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (902091013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451045505 + 451045506.

It is an arithmetic number, because the mean of its divisors is an integer number (451045506).

Almost surely, 2^902091011 is an apocalyptic number.

902091011 is a deficient number, since it is larger than the sum of its proper divisors (1).

902091011 is an equidigital number, since it uses as much as digits as its factorization.

902091011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 902091011 is about 30034.8299645595. The cubic root of 902091011 is about 966.2365281034.

The spelling of 902091011 in words is "nine hundred two million, ninety-one thousand, eleven".