38434501018 has 4 divisors (see below), whose sum is σ = 57651751530. Its totient is φ = 19217250508.

The previous prime is 38434500997. The next prime is 38434501031. The reversal of 38434501018 is 81010543483.

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., 21423298689 + 17011202329 = 146367^2 + 130427^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9608625253 + ... + 9608625256.

Almost surely, 2^38434501018 is an apocalyptic number.

38434501018 is a deficient number, since it is larger than the sum of its proper divisors (19217250512).

38434501018 is a wasteful number, since it uses less digits than its factorization.

38434501018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19217250511.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 38434501018 in words is "thirty-eight billion, four hundred thirty-four million, five hundred one thousand, eighteen".