618827882801 has 4 divisors (see below), whose sum is σ = 618888699492. Its totient is φ = 618767066112.

The previous prime is 618827882753. The next prime is 618827882809. The reversal of 618827882801 is 108288728816.

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

It can be written as a sum of positive squares in 2 ways, for example, as 325766977600 + 293060905201 = 570760^2 + 541351^2 .

It is a cyclic number.

It is not a de Polignac number, because 618827882801 - 2¹⁸ = 618827620657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (618827882809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30393080 + ... + 30413433.

It is an arithmetic number, because the mean of its divisors is an integer number (154722174873).

Almost surely, 2^618827882801 is an apocalyptic number.

It is an amenable number.

618827882801 is a deficient number, since it is larger than the sum of its proper divisors (60816691).

618827882801 is a wasteful number, since it uses less digits than its factorization.

618827882801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60816690.

The product of its (nonzero) digits is 5505024, while the sum is 59.

The spelling of 618827882801 in words is "six hundred eighteen billion, eight hundred twenty-seven million, eight hundred eighty-two thousand, eight hundred one".