618420005 has 16 divisors (see below), whose sum is σ = 862496640. Its totient is φ = 416870592.

The previous prime is 618419993. The next prime is 618420007. The reversal of 618420005 is 500024816.

618420005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 618420005 - 2⁶ = 618419941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618420007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147674 + ... + 151803.

It is an arithmetic number, because the mean of its divisors is an integer number (53906040).

Almost surely, 2^618420005 is an apocalyptic number.

It is an amenable number.

618420005 is a deficient number, since it is larger than the sum of its proper divisors (244076635).

618420005 is a wasteful number, since it uses less digits than its factorization.

618420005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299548.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 618420005 is about 24868.0518939462. The cubic root of 618420005 is about 851.9769462820.

The spelling of 618420005 in words is "six hundred eighteen million, four hundred twenty thousand, five".