618059393 has 6 divisors (see below), whose sum is σ = 718967106. Its totient is φ = 529765152.

The previous prime is 618059371. The next prime is 618059399. The reversal of 618059393 is 393950816.

It can be written as a sum of positive squares in only one way, i.e., 539772289 + 78287104 = 23233^2 + 8848^2 .

It is not a de Polignac number, because 618059393 - 2¹⁴ = 618043009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (618059399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6306680 + ... + 6306777.

It is an arithmetic number, because the mean of its divisors is an integer number (119827851).

Almost surely, 2^618059393 is an apocalyptic number.

It is an amenable number.

618059393 is a deficient number, since it is larger than the sum of its proper divisors (100907713).

618059393 is a wasteful number, since it uses less digits than its factorization.

618059393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12613471 (or 12613464 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 618059393 is about 24860.8003290320. The cubic root of 618059393 is about 851.8113129771.

The spelling of 618059393 in words is "six hundred eighteen million, fifty-nine thousand, three hundred ninety-three".