10038226981 has 4 divisors (see below), whose sum is σ = 10040539500. Its totient is φ = 10035914464.

The previous prime is 10038226943. The next prime is 10038227051. The reversal of 10038226981 is 18962283001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18962283001 = 23 ⋅824447087.

It can be written as a sum of positive squares in 2 ways, for example, as 1822436100 + 8215790881 = 42690^2 + 90641^2 .

It is a cyclic number.

It is not a de Polignac number, because 10038226981 - 2⁷ = 10038226853 is a prime.

It is a super-2 number, since 2×10038226981² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10038226931) 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, 1149736 + ... + 1158433.

It is an arithmetic number, because the mean of its divisors is an integer number (2510134875).

Almost surely, 2^10038226981 is an apocalyptic number.

It is an amenable number.

10038226981 is a deficient number, since it is larger than the sum of its proper divisors (2312519).

10038226981 is an equidigital number, since it uses as much as digits as its factorization.

10038226981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312518.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 10038226981 in words is "ten billion, thirty-eight million, two hundred twenty-six thousand, nine hundred eighty-one".