6901818349 has 2 divisors, whose sum is σ = 6901818350. Its totient is φ = 6901818348.

The previous prime is 6901818307. The next prime is 6901818379. The reversal of 6901818349 is 9438181096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6703515625 + 198302724 = 81875^2 + 14082^2 .

It is a cyclic number.

It is not a de Polignac number, because 6901818349 - 2⁹ = 6901817837 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6901818379) 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, 3450909174 + 3450909175.

It is an arithmetic number, because the mean of its divisors is an integer number (3450909175).

Almost surely, 2^6901818349 is an apocalyptic number.

It is an amenable number.

6901818349 is a deficient number, since it is larger than the sum of its proper divisors (1).

6901818349 is an equidigital number, since it uses as much as digits as its factorization.

6901818349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 6901818349 is about 83077.1830829621. The cubic root of 6901818349 is about 1903.9454807679.

The spelling of 6901818349 in words is "six billion, nine hundred one million, eight hundred eighteen thousand, three hundred forty-nine".