29759355081 has 9 divisors (see below), whose sum is σ = 42986482669. Its totient is φ = 19839225036.

The previous prime is 29759355061. The next prime is 29759355103. The reversal of 29759355081 is 18055395792.

The square root of 29759355081 is 172509.

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

29759355081 is a `hidden beast` number, since 2 + 9 + 7 + 5 + 9 + 3 + 550 + 81 = 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 29759355081 - 2¹¹ = 29759353033 is a prime.

It is a super-2 number, since 2×29759355081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29759355001) 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, 488776 + ... + 546278.

Almost surely, 2^29759355081 is an apocalyptic number.

29759355081 is the 172509-th square number.

29759355081 is the 86255-th centered octagonal number.

It is an amenable number.

29759355081 is a deficient number, since it is larger than the sum of its proper divisors (13227127588).

29759355081 is an frugal number, since it uses more digits than its factorization.

29759355081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115012 (or 57506 counting only the distinct ones).

The product of its (nonzero) digits is 3402000, while the sum is 54.

The spelling of 29759355081 in words is "twenty-nine billion, seven hundred fifty-nine million, three hundred fifty-five thousand, eighty-one".