29253655369 has 9 divisors (see below), whose sum is σ = 31078771381. Its totient is φ = 27530115520.

The previous prime is 29253655351. The next prime is 29253655391. The reversal of 29253655369 is 96355635292.

The square root of 29253655369 is 171037.

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 3785325625 + 25468329744 = 61525^2 + 159588^2 .

It is not a de Polignac number, because 29253655369 - 2⁵ = 29253655337 is a prime.

It is a super-2 number, since 2×29253655369² (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 (29253655339) 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, 2902599 + ... + 2912659.

Almost surely, 2^29253655369 is an apocalyptic number.

29253655369 is the 171037-th square number.

29253655369 is the 85519-th centered octagonal number.

It is an amenable number.

29253655369 is a deficient number, since it is larger than the sum of its proper divisors (1825116012).

29253655369 is an frugal number, since it uses more digits than its factorization.

29253655369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20156 (or 10078 counting only the distinct ones).

The product of its digits is 13122000, while the sum is 55.

The spelling of 29253655369 in words is "twenty-nine billion, two hundred fifty-three million, six hundred fifty-five thousand, three hundred sixty-nine".