618040754423 has 2 divisors, whose sum is σ = 618040754424. Its totient is φ = 618040754422.

The previous prime is 618040754417. The next prime is 618040754503. The reversal of 618040754423 is 324457040816.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 618040754423 - 2⁴ = 618040754407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (618040754413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309020377211 + 309020377212.

It is an arithmetic number, because the mean of its divisors is an integer number (309020377212).

Almost surely, 2^618040754423 is an apocalyptic number.

618040754423 is a deficient number, since it is larger than the sum of its proper divisors (1).

618040754423 is an equidigital number, since it uses as much as digits as its factorization.

618040754423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 618040754423 in words is "six hundred eighteen billion, forty million, seven hundred fifty-four thousand, four hundred twenty-three".