10643253520634 has 16 divisors (see below), whose sum is σ = 18245895385536. Its totient is φ = 4561314885600.

The previous prime is 10643253520631. The next prime is 10643253520637. The reversal of 10643253520634 is 43602535234601.

It is a happy number.

10643253520634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10643253520631) and next prime (10643253520637).

It is a super-2 number, since 2×10643253520634² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10643253520631) 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, 5787572 + ... + 7401519.

It is an arithmetic number, because the mean of its divisors is an integer number (1140368461596).

Almost surely, 2^{10643253520634} is an apocalyptic number.

10643253520634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10643253520634 is a deficient number, since it is larger than the sum of its proper divisors (7602641864902).

10643253520634 is a wasteful number, since it uses less digits than its factorization.

10643253520634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13246741.

The product of its (nonzero) digits is 1555200, while the sum is 44.

The spelling of 10643253520634 in words is "ten trillion, six hundred forty-three billion, two hundred fifty-three million, five hundred twenty thousand, six hundred thirty-four".