1048446979969 has 9 divisors (see below), whose sum is σ = 1096038192193. Its totient is φ = 1002839802052.

The previous prime is 1048446979939. The next prime is 1048446980003. The reversal of 1048446979969 is 9699796448401.

The square root of 1048446979969 is 1023937.

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

1048446979969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1048446979969 - 2²⁵ = 1048413425537 is a prime.

It is a super-2 number, since 2×1048446979969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1048446979895 and 1048446979904.

It is not an unprimeable number, because it can be changed into a prime (1048446979939) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23528292 + ... + 23572810.

Almost surely, 2^{1048446979969} is an apocalyptic number.

1048446979969 is the 1023937-th square number.

1048446979969 is the 511969-th centered octagonal number.

It is an amenable number.

1048446979969 is a deficient number, since it is larger than the sum of its proper divisors (47591212224).

1048446979969 is an frugal number, since it uses more digits than its factorization.

1048446979969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89084 (or 44542 counting only the distinct ones).

The product of its (nonzero) digits is 846526464, while the sum is 76.

The spelling of 1048446979969 in words is "one trillion, forty-eight billion, four hundred forty-six million, nine hundred seventy-nine thousand, nine hundred sixty-nine".