10500514638 has 16 divisors (see below), whose sum is σ = 21002716800. Its totient is φ = 3499890296.

The previous prime is 10500514631. The next prime is 10500514639. The reversal of 10500514638 is 83641500501.

It is a super-2 number, since 2×10500514638² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10500514599 and 10500514608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10500514631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19381 + ... + 146207.

It is an arithmetic number, because the mean of its divisors is an integer number (1312669800).

Almost surely, 2^10500514638 is an apocalyptic number.

10500514638 is an abundant number, since it is smaller than the sum of its proper divisors (10502202162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10500514638 is a wasteful number, since it uses less digits than its factorization.

10500514638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140631.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 10500514638 in words is "ten billion, five hundred million, five hundred fourteen thousand, six hundred thirty-eight".