29136783025 has 27 divisors (see below), whose sum is σ = 42036942369. Its totient is φ = 19975411680.

The previous prime is 29136783007. The next prime is 29136783031. The reversal of 29136783025 is 52038763192.

The square root of 29136783025 is 170695.

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 3878673841 + 25258109184 = 62279^2 + 158928^2 .

It is not a de Polignac number, because 29136783025 - 2¹¹ = 29136780977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5971887 + ... + 5976763.

Almost surely, 2^29136783025 is an apocalyptic number.

29136783025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29136783025 is the 170695-th square number.

29136783025 is the 85348-th centered octagonal number.

It is an amenable number.

29136783025 is a deficient number, since it is larger than the sum of its proper divisors (12900159344).

29136783025 is an frugal number, since it uses more digits than its factorization.

29136783025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9778 (or 4889 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 29136783025 in words is "twenty-nine billion, one hundred thirty-six million, seven hundred eighty-three thousand, twenty-five".