10527840634 has 4 divisors (see below), whose sum is σ = 15791760954. Its totient is φ = 5263920316.

The previous prime is 10527840619. The next prime is 10527840637. The reversal of 10527840634 is 43604872501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43604872501 = 181039 ⋅240859.

It can be written as a sum of positive squares in only one way, i.e., 10180204609 + 347636025 = 100897^2 + 18645^2 .

It is a super-2 number, since 2×10527840634² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (10527840637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2631960157 + ... + 2631960160.

Almost surely, 2^10527840634 is an apocalyptic number.

10527840634 is a deficient number, since it is larger than the sum of its proper divisors (5263920320).

10527840634 is an equidigital number, since it uses as much as digits as its factorization.

10527840634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5263920319.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 10527840634 in words is "ten billion, five hundred twenty-seven million, eight hundred forty thousand, six hundred thirty-four".