10643104200645 has 24 divisors (see below), whose sum is σ = 21083482607616. Its totient is φ = 4865419063008.

The previous prime is 10643104200587. The next prime is 10643104200647. The reversal of 10643104200645 is 54600240134601.

10643104200645 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 3 + 1 + 0 + 4 + 2 + 0 + 0 + 645 = 666.

It is not a de Polignac number, because 10643104200645 - 2⁸ = 10643104200389 is a prime.

It is a super-2 number, since 2×10643104200645² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10643104200647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16893815877 + ... + 16893816506.

It is an arithmetic number, because the mean of its divisors is an integer number (878478441984).

Almost surely, 2^{10643104200645} is an apocalyptic number.

10643104200645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10643104200645 is a deficient number, since it is larger than the sum of its proper divisors (10440378406971).

10643104200645 is a wasteful number, since it uses less digits than its factorization.

10643104200645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33787632401 (or 33787632398 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 10643104200645 in words is "ten trillion, six hundred forty-three billion, one hundred four million, two hundred thousand, six hundred forty-five".