618502781119 has 2 divisors, whose sum is σ = 618502781120. Its totient is φ = 618502781118.

The previous prime is 618502781093. The next prime is 618502781123. The reversal of 618502781119 is 911187205816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 618502781119 - 2²⁷ = 618368563391 is a prime.

It is a super-2 number, since 2×618502781119² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (618502701119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309251390559 + 309251390560.

It is an arithmetic number, because the mean of its divisors is an integer number (309251390560).

Almost surely, 2^618502781119 is an apocalyptic number.

618502781119 is a deficient number, since it is larger than the sum of its proper divisors (1).

618502781119 is an equidigital number, since it uses as much as digits as its factorization.

618502781119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 49.

The spelling of 618502781119 in words is "six hundred eighteen billion, five hundred two million, seven hundred eighty-one thousand, one hundred nineteen".