29770288245 has 24 divisors (see below), whose sum is σ = 52996480056. Its totient is φ = 15448364928.

The previous prime is 29770288241. The next prime is 29770288253. The reversal of 29770288245 is 54288207792.

29770288245 is a `hidden beast` number, since 297 + 70 + 288 + 2 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2471978961 + 27298309284 = 49719^2 + 165222^2 .

It is not a de Polignac number, because 29770288245 - 2² = 29770288241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29770288191 and 29770288200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29770288241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8938362 + ... + 8941691.

It is an arithmetic number, because the mean of its divisors is an integer number (2208186669).

Almost surely, 2^29770288245 is an apocalyptic number.

It is an amenable number.

29770288245 is a deficient number, since it is larger than the sum of its proper divisors (23226191811).

29770288245 is a wasteful number, since it uses less digits than its factorization.

29770288245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17880101 (or 17880098 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 29770288245 in words is "twenty-nine billion, seven hundred seventy million, two hundred eighty-eight thousand, two hundred forty-five".