1079930404809 has 9 divisors (see below), whose sum is σ = 1559903976813. Its totient is φ = 719951524812.

The previous prime is 1079930404807. The next prime is 1079930404873. The reversal of 1079930404809 is 9084040399701.

The square root of 1079930404809 is 1039197.

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

1079930404809 is a `hidden beast` number, since 1 + 0 + 7 + 99 + 30 + 40 + 480 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1079930404809 - 2¹ = 1079930404807 is a prime.

It is a super-2 number, since 2×1079930404809² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1079930404807) 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, 2944392 + ... + 3290790.

Almost surely, 2^{1079930404809} is an apocalyptic number.

1079930404809 is the 1039197-th square number.

1079930404809 is the 519599-th centered octagonal number.

It is an amenable number.

1079930404809 is a deficient number, since it is larger than the sum of its proper divisors (479973572004).

1079930404809 is an frugal number, since it uses more digits than its factorization.

1079930404809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692804 (or 346402 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 1079930404809 in words is "one trillion, seventy-nine billion, nine hundred thirty million, four hundred four thousand, eight hundred nine".