10643504546436 has 48 divisors (see below), whose sum is σ = 25116043921920. Its totient is φ = 3507670270720.

The previous prime is 10643504546413. The next prime is 10643504546501. The reversal of 10643504546436 is 63464540534601.

It is a super-2 number, since 2×10643504546436² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12187846 + ... + 13031906.

It is an arithmetic number, because the mean of its divisors is an integer number (523250915040).

Almost surely, 2^{10643504546436} is an apocalyptic number.

It is an amenable number.

10643504546436 is an abundant number, since it is smaller than the sum of its proper divisors (14472539375484).

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

10643504546436 is a wasteful number, since it uses less digits than its factorization.

10643504546436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855964 (or 855962 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 51.

The spelling of 10643504546436 in words is "ten trillion, six hundred forty-three billion, five hundred four million, five hundred forty-six thousand, four hundred thirty-six".