1074512544643 has 4 divisors (see below), whose sum is σ = 1074651145528. Its totient is φ = 1074373943760.

The previous prime is 1074512544601. The next prime is 1074512544661. The reversal of 1074512544643 is 3464452154701.

1074512544643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1074512544643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1074512544593 and 1074512544602.

It is not an unprimeable number, because it can be changed into a prime (1074512544673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69288813 + ... + 69304318.

It is an arithmetic number, because the mean of its divisors is an integer number (268662786382).

Almost surely, 2^{1074512544643} is an apocalyptic number.

1074512544643 is a deficient number, since it is larger than the sum of its proper divisors (138600885).

1074512544643 is an equidigital number, since it uses as much as digits as its factorization.

1074512544643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138600884.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 1074512544643 in words is "one trillion, seventy-four billion, five hundred twelve million, five hundred forty-four thousand, six hundred forty-three".