618319427 has 8 divisors (see below), whose sum is σ = 714208752. Its totient is φ = 529043200.

The previous prime is 618319409. The next prime is 618319433. The reversal of 618319427 is 724913816.

618319427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 618319427 - 2¹⁶ = 618253891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (618319447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653074 + ... + 1653447.

It is an arithmetic number, because the mean of its divisors is an integer number (89276094).

Almost surely, 2^618319427 is an apocalyptic number.

618319427 is a deficient number, since it is larger than the sum of its proper divisors (95889325).

618319427 is a wasteful number, since it uses less digits than its factorization.

618319427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3306549.

The product of its digits is 72576, while the sum is 41.

The square root of 618319427 is about 24866.0295785234. The cubic root of 618319427 is about 851.9307561078.

The spelling of 618319427 in words is "six hundred eighteen million, three hundred nineteen thousand, four hundred twenty-seven".