10129936493 has 4 divisors (see below), whose sum is σ = 10133900700. Its totient is φ = 10125972288.

The previous prime is 10129936477. The next prime is 10129936511. The reversal of 10129936493 is 39463992101.

It is a happy number.

10129936493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39463992101 = 197 ⋅200324833.

It can be written as a sum of positive squares in 2 ways, for example, as 5617052809 + 4512883684 = 74947^2 + 67178^2 .

It is a cyclic number.

It is not a de Polignac number, because 10129936493 - 2⁴ = 10129936477 is a prime.

It is a super-2 number, since 2×10129936493² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10129936403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1978268 + ... + 1983381.

It is an arithmetic number, because the mean of its divisors is an integer number (2533475175).

Almost surely, 2^10129936493 is an apocalyptic number.

It is an amenable number.

10129936493 is a deficient number, since it is larger than the sum of its proper divisors (3964207).

10129936493 is an equidigital number, since it uses as much as digits as its factorization.

10129936493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3964206.

The product of its (nonzero) digits is 314928, while the sum is 47.

The spelling of 10129936493 in words is "ten billion, one hundred twenty-nine million, nine hundred thirty-six thousand, four hundred ninety-three".