1043868846601 has 45 divisors (see below), whose sum is σ = 1262971322951. Its totient is φ = 862689941232.

The previous prime is 1043868846557. The next prime is 1043868846619. The reversal of 1043868846601 is 1066488683401.

The square root of 1043868846601 is 1021699.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 547379502201 + 496489344400 = 739851^2 + 704620^2 .

It is not a de Polignac number, because 1043868846601 - 2⁷ = 1043868846473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043868846661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1451833920 + ... + 1451834638.

Almost surely, 2^{1043868846601} is an apocalyptic number.

1043868846601 is the 1021699-th square number.

1043868846601 is the 510850-th centered octagonal number.

It is an amenable number.

1043868846601 is a deficient number, since it is larger than the sum of its proper divisors (219102476350).

1043868846601 is an frugal number, since it uses more digits than its factorization.

1043868846601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524 (or 755 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 1043868846601 in words is "one trillion, forty-three billion, eight hundred sixty-eight million, eight hundred forty-six thousand, six hundred one".