10445012643 has 16 divisors (see below), whose sum is σ = 15403319456. Its totient is φ = 6253977600.

The previous prime is 10445012573. The next prime is 10445012657. The reversal of 10445012643 is 34621054401.

It is not a de Polignac number, because 10445012643 - 2¹⁴ = 10444996259 is a prime.

It is a super-2 number, since 2×10445012643² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10445012643.

It is not an unprimeable number, because it can be changed into a prime (10445512643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3617758 + ... + 3620643.

It is an arithmetic number, because the mean of its divisors is an integer number (962707466).

Almost surely, 2^10445012643 is an apocalyptic number.

10445012643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10445012643 is a deficient number, since it is larger than the sum of its proper divisors (4958306813).

10445012643 is a wasteful number, since it uses less digits than its factorization.

10445012643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7238454.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 10445012643 in words is "ten billion, four hundred forty-five million, twelve thousand, six hundred forty-three".