29575291792489 has 9 divisors (see below), whose sum is σ = 31417449698821. Its totient is φ = 27835481732800.

The previous prime is 29575291792483. The next prime is 29575291792567. The reversal of 29575291792489 is 98429719257592.

It is a happy number.

The square root of 29575291792489 is 5438317.

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 20640620808025 + 8934670984464 = 4543195^2 + 2989092^2 .

It is a de Polignac number, because none of the positive numbers 2^k-29575291792489 is a prime.

It is a super-2 number, since 2×29575291792489² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29575291792483) 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, 92291439 + ... + 92611339.

Almost surely, 2^{29575291792489} is an apocalyptic number.

29575291792489 is the 5438317-th square number.

29575291792489 is the 2719159-th centered octagonal number.

It is an amenable number.

29575291792489 is a deficient number, since it is larger than the sum of its proper divisors (1842157906332).

29575291792489 is an frugal number, since it uses more digits than its factorization.

29575291792489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639836 (or 319918 counting only the distinct ones).

The product of its digits is 2057529600, while the sum is 79.

The spelling of 29575291792489 in words is "twenty-nine trillion, five hundred seventy-five billion, two hundred ninety-one million, seven hundred ninety-two thousand, four hundred eighty-nine".