10019039938 has 4 divisors (see below), whose sum is σ = 15028559910. Its totient is φ = 5009519968.

The previous prime is 10019039897. The next prime is 10019039939. The reversal of 10019039938 is 83993091001.

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., 5441570289 + 4577469649 = 73767^2 + 67657^2 .

It is a super-2 number, since 2×10019039938² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10019039894 and 10019039903.

It is not an unprimeable number, because it can be changed into a prime (10019039939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2504759983 + ... + 2504759986.

Almost surely, 2^10019039938 is an apocalyptic number.

10019039938 is a deficient number, since it is larger than the sum of its proper divisors (5009519972).

10019039938 is an equidigital number, since it uses as much as digits as its factorization.

10019039938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5009519971.

The product of its (nonzero) digits is 52488, while the sum is 43.

The spelling of 10019039938 in words is "ten billion, nineteen million, thirty-nine thousand, nine hundred thirty-eight".