1729029049 has 8 divisors (see below), whose sum is σ = 1886520960. Its totient is φ = 1571588400.

The previous prime is 1729029037. The next prime is 1729029101. The reversal of 1729029049 is 9409209271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1729029049 - 2¹³ = 1729020857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1729028996 and 1729029014.

It is not an unprimeable number, because it can be changed into a prime (1729029019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104272 + ... + 119710.

It is an arithmetic number, because the mean of its divisors is an integer number (235815120).

Almost surely, 2^1729029049 is an apocalyptic number.

It is an amenable number.

1729029049 is a deficient number, since it is larger than the sum of its proper divisors (157491911).

1729029049 is a wasteful number, since it uses less digits than its factorization.

1729029049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25631.

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 1729029049 is about 41581.5950752253. The cubic root of 1729029049 is about 1200.2381585177.

The spelling of 1729029049 in words is "one billion, seven hundred twenty-nine million, twenty-nine thousand, forty-nine".