29634589609 has 3 divisors (see below), whose sum is σ = 29634761757. Its totient is φ = 29634417462.

The previous prime is 29634589603. The next prime is 29634589643. The reversal of 29634589609 is 90698543692.

The square root of 29634589609 is 172147.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 29634589609 - 2²¹ = 29632492457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29634589603) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 86074 + ... + 258220.

It is an arithmetic number, because the mean of its divisors is an integer number (9878253919).

Almost surely, 2^29634589609 is an apocalyptic number.

29634589609 is the 172147-th square number.

29634589609 is the 86074-th centered octagonal number.

It is an amenable number.

29634589609 is a deficient number, since it is larger than the sum of its proper divisors (172148).

29634589609 is an frugal number, since it uses more digits than its factorization.

29634589609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344294 (or 172147 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 29634589609 in words is "twenty-nine billion, six hundred thirty-four million, five hundred eighty-nine thousand, six hundred nine".