29745211025 has 12 divisors (see below), whose sum is σ = 36904734300. Its totient is φ = 23782831680.

The previous prime is 29745211009. The next prime is 29745211031. The reversal of 29745211025 is 52011254792.

It is a Cunningham number, because it is equal to 172468²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 1639359121 + 28105851904 = 40489^2 + 167648^2 .

It is not a de Polignac number, because 29745211025 - 2⁴ = 29745211009 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 29745211025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 287810 + ... + 377259.

It is an arithmetic number, because the mean of its divisors is an integer number (3075394525).

Almost surely, 2^29745211025 is an apocalyptic number.

29745211025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29745211025 is a deficient number, since it is larger than the sum of its proper divisors (7159523275).

29745211025 is a wasteful number, since it uses less digits than its factorization.

29745211025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666868 (or 666863 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 29745211025 in words is "twenty-nine billion, seven hundred forty-five million, two hundred eleven thousand, twenty-five".