29436423628 has 12 divisors (see below), whose sum is σ = 51829777720. Its totient is φ = 14627915712.

The previous prime is 29436423623. The next prime is 29436423647. The reversal of 29436423628 is 82632463492.

It is not an unprimeable number, because it can be changed into a prime (29436423623) 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, 22573293 + ... + 22574596.

Almost surely, 2^29436423628 is an apocalyptic number.

It is an amenable number.

29436423628 is a deficient number, since it is larger than the sum of its proper divisors (22393354092).

29436423628 is a wasteful number, since it uses less digits than its factorization.

29436423628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45148056 (or 45148054 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 49.

The spelling of 29436423628 in words is "twenty-nine billion, four hundred thirty-six million, four hundred twenty-three thousand, six hundred twenty-eight".