618917622107 has 2 divisors, whose sum is σ = 618917622108. Its totient is φ = 618917622106.

The previous prime is 618917622079. The next prime is 618917622121. The reversal of 618917622107 is 701226719816.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 618917622107 - 2²⁸ = 618649186651 is a prime.

It is not a weakly prime, because it can be changed into another prime (618917622007) 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, 309458811053 + 309458811054.

It is an arithmetic number, because the mean of its divisors is an integer number (309458811054).

Almost surely, 2^618917622107 is an apocalyptic number.

618917622107 is a deficient number, since it is larger than the sum of its proper divisors (1).

618917622107 is an equidigital number, since it uses as much as digits as its factorization.

618917622107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 50.

The spelling of 618917622107 in words is "six hundred eighteen billion, nine hundred seventeen million, six hundred twenty-two thousand, one hundred seven".