618431043 has 8 divisors (see below), whose sum is σ = 824817168. Its totient is φ = 412166144.

The previous prime is 618431041. The next prime is 618431053. The reversal of 618431043 is 340134816.

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 618431043 - 2¹ = 618431041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 618431043.

It is not an unprimeable number, because it can be changed into a prime (618431041) 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, 17646 + ... + 39347.

It is an arithmetic number, because the mean of its divisors is an integer number (103102146).

Almost surely, 2^618431043 is an apocalyptic number.

618431043 is a deficient number, since it is larger than the sum of its proper divisors (206386125).

618431043 is a wasteful number, since it uses less digits than its factorization.

618431043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60613.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 618431043 is about 24868.2738242927. The cubic root of 618431043 is about 851.9820151486.

Adding to 618431043 its reverse (340134816), we get a palindrome (958565859).

The spelling of 618431043 in words is "six hundred eighteen million, four hundred thirty-one thousand, forty-three".