10643246361 has 24 divisors (see below), whose sum is σ = 16776002880. Its totient is φ = 6448596000.

The previous prime is 10643246329. The next prime is 10643246371. The reversal of 10643246361 is 16364234601.

10643246361 is a `hidden beast` number, since 1 + 0 + 643 + 2 + 4 + 6 + 3 + 6 + 1 = 666.

It is not a de Polignac number, because 10643246361 - 2⁵ = 10643246329 is a prime.

It is a super-2 number, since 2×10643246361² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10643246371) 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, 381436 + ... + 408386.

It is an arithmetic number, because the mean of its divisors is an integer number (699000120).

Almost surely, 2^10643246361 is an apocalyptic number.

10643246361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10643246361 is a deficient number, since it is larger than the sum of its proper divisors (6132756519).

10643246361 is a wasteful number, since it uses less digits than its factorization.

10643246361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30957 (or 30954 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 10643246361 in words is "ten billion, six hundred forty-three million, two hundred forty-six thousand, three hundred sixty-one".