7950238018 has 4 divisors (see below), whose sum is σ = 11925357030. Its totient is φ = 3975119008.

The previous prime is 7950237949. The next prime is 7950238067. The reversal of 7950238018 is 8108320597.

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

It can be written as a sum of positive squares in only one way, i.e., 4214216889 + 3736021129 = 64917^2 + 61123^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1987559503 + ... + 1987559506.

Almost surely, 2^7950238018 is an apocalyptic number.

7950238018 is a deficient number, since it is larger than the sum of its proper divisors (3975119012).

7950238018 is a wasteful number, since it uses less digits than its factorization.

7950238018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3975119011.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 7950238018 is about 89164.1072293106. The cubic root of 7950238018 is about 1995.8445402233.

The spelling of 7950238018 in words is "seven billion, nine hundred fifty million, two hundred thirty-eight thousand, eighteen".