10502129438 has 8 divisors (see below), whose sum is σ = 15753835560. Its totient is φ = 5250850920.

The previous prime is 10502129431. The next prime is 10502129441. The reversal of 10502129438 is 83492120501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10502129438² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10502129398 and 10502129407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10502129431) 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, 36128 + ... + 149363.

It is an arithmetic number, because the mean of its divisors is an integer number (1969229445).

Almost surely, 2^10502129438 is an apocalyptic number.

10502129438 is a deficient number, since it is larger than the sum of its proper divisors (5251706122).

10502129438 is a wasteful number, since it uses less digits than its factorization.

10502129438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213802.

The product of its (nonzero) digits is 17280, while the sum is 35.

Adding to 10502129438 its reverse (83492120501), we get a palindrome (93994249939).

The spelling of 10502129438 in words is "ten billion, five hundred two million, one hundred twenty-nine thousand, four hundred thirty-eight".