10129936503 has 4 divisors (see below), whose sum is σ = 13506582008. Its totient is φ = 6753291000.

The previous prime is 10129936477. The next prime is 10129936511. The reversal of 10129936503 is 30563992101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30563992101 = 3 ⋅10187997367.

It is not a de Polignac number, because 10129936503 - 2⁵ = 10129936471 is a prime.

It is a super-2 number, since 2×10129936503² (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 (10129936303) 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, 1688322748 + ... + 1688322753.

It is an arithmetic number, because the mean of its divisors is an integer number (3376645502).

Almost surely, 2^10129936503 is an apocalyptic number.

10129936503 is a deficient number, since it is larger than the sum of its proper divisors (3376645505).

10129936503 is an equidigital number, since it uses as much as digits as its factorization.

10129936503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376645504.

The product of its (nonzero) digits is 43740, while the sum is 39.

The spelling of 10129936503 in words is "ten billion, one hundred twenty-nine million, nine hundred thirty-six thousand, five hundred three".