618802311 has 4 divisors (see below), whose sum is σ = 825069752. Its totient is φ = 412534872.

The previous prime is 618802297. The next prime is 618802313. The reversal of 618802311 is 113208816.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 618802311 - 2¹¹ = 618800263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618802313) 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 in 3 ways as a sum of consecutive naturals, for example, 103133716 + ... + 103133721.

It is an arithmetic number, because the mean of its divisors is an integer number (206267438).

Almost surely, 2^618802311 is an apocalyptic number.

618802311 is a deficient number, since it is larger than the sum of its proper divisors (206267441).

618802311 is a wasteful number, since it uses less digits than its factorization.

618802311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206267440.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 618802311 is about 24875.7373961055. The cubic root of 618802311 is about 852.1524735934.

The spelling of 618802311 in words is "six hundred eighteen million, eight hundred two thousand, three hundred eleven".