618988139303 has 2 divisors, whose sum is σ = 618988139304. Its totient is φ = 618988139302.

The previous prime is 618988139293. The next prime is 618988139353. The reversal of 618988139303 is 303931889816.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 618988139303 - 2¹⁴ = 618988122919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (618988139353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309494069651 + 309494069652.

It is an arithmetic number, because the mean of its divisors is an integer number (309494069652).

Almost surely, 2^618988139303 is an apocalyptic number.

618988139303 is a deficient number, since it is larger than the sum of its proper divisors (1).

618988139303 is an equidigital number, since it uses as much as digits as its factorization.

618988139303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6718464, while the sum is 59.

The spelling of 618988139303 in words is "six hundred eighteen billion, nine hundred eighty-eight million, one hundred thirty-nine thousand, three hundred three".