10001000009938 has 16 divisors (see below), whose sum is σ = 17509349562624. Its totient is φ = 4194948332160.

The previous prime is 10001000009929. The next prime is 10001000009939. The reversal of 10001000009938 is 83990000010001.

It is not an unprimeable number, because it can be changed into a prime (10001000009939) 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, 7599543423 + ... + 7599544738.

It is an arithmetic number, because the mean of its divisors is an integer number (1094334347664).

Almost surely, 2^{10001000009938} is an apocalyptic number.

10001000009938 is a deficient number, since it is larger than the sum of its proper divisors (7508349552686).

10001000009938 is a wasteful number, since it uses less digits than its factorization.

10001000009938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15199088217.

The product of its (nonzero) digits is 1944, while the sum is 31.

Adding to 10001000009938 its reverse (83990000010001), we get a palindrome (93991000019939).

The spelling of 10001000009938 in words is "ten trillion, one billion, nine thousand, nine hundred thirty-eight".