29783051038225 has 9 divisors (see below), whose sum is σ = 36931017123217. Its totient is φ = 23826419001040.

The previous prime is 29783051038193. The next prime is 29783051038331. The reversal of 29783051038225 is 52283015038792.

The square root of 29783051038225 is 5457385.

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 14476678061329 + 15306372976896 = 3804823^2 + 3912336^2 .

It is not a de Polignac number, because 29783051038225 - 2⁵ = 29783051038193 is a prime.

It is a super-2 number, since 2×29783051038225² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26741187 + ... + 27832663.

Almost surely, 2^{29783051038225} is an apocalyptic number.

29783051038225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29783051038225 is the 5457385-th square number.

29783051038225 is the 2728693-rd centered octagonal number.

It is an amenable number.

29783051038225 is a deficient number, since it is larger than the sum of its proper divisors (7147966084992).

29783051038225 is an frugal number, since it uses more digits than its factorization.

29783051038225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2182964 (or 1091482 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 29783051038225 in words is "twenty-nine trillion, seven hundred eighty-three billion, fifty-one million, thirty-eight thousand, two hundred twenty-five".