13043213044 has 6 divisors (see below), whose sum is σ = 22825622834. Its totient is φ = 6521606520.

The previous prime is 13043213021. The next prime is 13043213063. The reversal of 13043213044 is 44031234031.

It can be written as a sum of positive squares in only one way, i.e., 12791610000 + 251603044 = 113100^2 + 15862^2 .

It is a super-2 number, since 2×13043213044² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630401627 + ... + 1630401634.

Almost surely, 2^13043213044 is an apocalyptic number.

It is an amenable number.

13043213044 is a deficient number, since it is larger than the sum of its proper divisors (9782409790).

13043213044 is a wasteful number, since it uses less digits than its factorization.

13043213044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260803265 (or 3260803263 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13043213044 its reverse (44031234031), we get a palindrome (57074447075).

The spelling of 13043213044 in words is "thirteen billion, forty-three million, two hundred thirteen thousand, forty-four".