618630059 has 4 divisors (see below), whose sum is σ = 639962160. Its totient is φ = 597297960.

The previous prime is 618630043. The next prime is 618630073. The reversal of 618630059 is 950036816.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 618630059 - 2⁴ = 618630043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (618630659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10666007 + ... + 10666064.

It is an arithmetic number, because the mean of its divisors is an integer number (159990540).

Almost surely, 2^618630059 is an apocalyptic number.

618630059 is a deficient number, since it is larger than the sum of its proper divisors (21332101).

618630059 is a wasteful number, since it uses less digits than its factorization.

618630059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21332100.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 618630059 is about 24872.2749060073. The cubic root of 618630059 is about 852.0733968634.

The spelling of 618630059 in words is "six hundred eighteen million, six hundred thirty thousand, fifty-nine".