618227269811 has 2 divisors, whose sum is σ = 618227269812. Its totient is φ = 618227269810.

The previous prime is 618227269771. The next prime is 618227269837. The reversal of 618227269811 is 118962722816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 618227269811 - 2²² = 618223075507 is a prime.

It is not a weakly prime, because it can be changed into another prime (618227269511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309113634905 + 309113634906.

It is an arithmetic number, because the mean of its divisors is an integer number (309113634906).

Almost surely, 2^618227269811 is an apocalyptic number.

618227269811 is a deficient number, since it is larger than the sum of its proper divisors (1).

618227269811 is an equidigital number, since it uses as much as digits as its factorization.

618227269811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 53.

The spelling of 618227269811 in words is "six hundred eighteen billion, two hundred twenty-seven million, two hundred sixty-nine thousand, eight hundred eleven".