38538793898 has 8 divisors (see below), whose sum is σ = 63063480960. Its totient is φ = 17517633580.

The previous prime is 38538793889. The next prime is 38538793949. The reversal of 38538793898 is 89839783583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×38538793898² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875881658 + ... + 875881701.

It is an arithmetic number, because the mean of its divisors is an integer number (7882935120).

Almost surely, 2^38538793898 is an apocalyptic number.

38538793898 is a deficient number, since it is larger than the sum of its proper divisors (24524687062).

38538793898 is a wasteful number, since it uses less digits than its factorization.

38538793898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751763372.

The product of its digits is 313528320, while the sum is 71.

Adding to 38538793898 its sum of digits (71), we get a square (38538793969 = 196313²).

The spelling of 38538793898 in words is "thirty-eight billion, five hundred thirty-eight million, seven hundred ninety-three thousand, eight hundred ninety-eight".