4119994669729 has 9 divisors (see below), whose sum is σ = 4191130478833. Its totient is φ = 4050046524532.

The previous prime is 4119994669673. The next prime is 4119994669789. The reversal of 4119994669729 is 9279664999114.

The square root of 4119994669729 is 2029777.

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

It is not a de Polignac number, because 4119994669729 - 2⁷ = 4119994669601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4119994669789) 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, 119739642 + ... + 119774044.

Almost surely, 2^{4119994669729} is an apocalyptic number.

4119994669729 is the 2029777-th square number.

4119994669729 is the 1014889-th centered octagonal number.

It is an amenable number.

4119994669729 is a deficient number, since it is larger than the sum of its proper divisors (71135809104).

4119994669729 is an frugal number, since it uses more digits than its factorization.

4119994669729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68924 (or 34462 counting only the distinct ones).

The product of its digits is 476171136, while the sum is 76.

The spelling of 4119994669729 in words is "four trillion, one hundred nineteen billion, nine hundred ninety-four million, six hundred sixty-nine thousand, seven hundred twenty-nine".