430956799729 has 9 divisors (see below), whose sum is σ = 446349530497. Its totient is φ = 416077839184.

The previous prime is 430956799723. The next prime is 430956799739. The reversal of 430956799729 is 927997659034.

The square root of 430956799729 is 656473.

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

It can be written as a sum of positive squares in 4 ways, for example, as 20270640625 + 410686159104 = 142375^2 + 640848^2 .

It is a de Polignac number, because none of the positive numbers 2^k-430956799729 is a prime.

It is a super-2 number, since 2×430956799729² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (430956799723) 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, 19026399 + ... + 19049035.

Almost surely, 2^430956799729 is an apocalyptic number.

430956799729 is the 656473-rd square number.

430956799729 is the 328237-th centered octagonal number.

It is an amenable number.

430956799729 is a deficient number, since it is larger than the sum of its proper divisors (15392730768).

430956799729 is an frugal number, since it uses more digits than its factorization.

430956799729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45332 (or 22666 counting only the distinct ones).

The product of its (nonzero) digits is 231472080, while the sum is 70.

The spelling of 430956799729 in words is "four hundred thirty billion, nine hundred fifty-six million, seven hundred ninety-nine thousand, seven hundred twenty-nine".