29009977253 has 4 divisors (see below), whose sum is σ = 29084553420. Its totient is φ = 28935401088.

The previous prime is 29009977231. The next prime is 29009977331. The reversal of 29009977253 is 35277990092.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2889922564 + 26120054689 = 53758^2 + 161617^2 .

It is a cyclic number.

It is not a de Polignac number, because 29009977253 - 2²⁰ = 29008928677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 29009977195 and 29009977204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29009977553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37287500 + ... + 37288277.

It is an arithmetic number, because the mean of its divisors is an integer number (7271138355).

Almost surely, 2^29009977253 is an apocalyptic number.

It is an amenable number.

29009977253 is a deficient number, since it is larger than the sum of its proper divisors (74576167).

29009977253 is an equidigital number, since it uses as much as digits as its factorization.

29009977253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74576166.

The product of its (nonzero) digits is 2143260, while the sum is 53.

The spelling of 29009977253 in words is "twenty-nine billion, nine million, nine hundred seventy-seven thousand, two hundred fifty-three".