6900541091 has 2 divisors, whose sum is σ = 6900541092. Its totient is φ = 6900541090.

The previous prime is 6900541073. The next prime is 6900541139. The reversal of 6900541091 is 1901450096.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6900541091 - 2⁶ = 6900541027 is a prime.

It is not a weakly prime, because it can be changed into another prime (6900541001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3450270545 + 3450270546.

It is an arithmetic number, because the mean of its divisors is an integer number (3450270546).

Almost surely, 2^6900541091 is an apocalyptic number.

6900541091 is a deficient number, since it is larger than the sum of its proper divisors (1).

6900541091 is an equidigital number, since it uses as much as digits as its factorization.

6900541091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 6900541091 is about 83069.4955504125. The cubic root of 6900541091 is about 1903.8280247825.

The spelling of 6900541091 in words is "six billion, nine hundred million, five hundred forty-one thousand, ninety-one".