29747489685 has 8 divisors (see below), whose sum is σ = 47595983520. Its totient is φ = 15865327824.

The previous prime is 29747489633. The next prime is 29747489713. The reversal of 29747489685 is 58698474792.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29747489685 - 2⁶ = 29747489621 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991582975 + ... + 991583004.

It is an arithmetic number, because the mean of its divisors is an integer number (5949497940).

Almost surely, 2^29747489685 is an apocalyptic number.

It is an amenable number.

29747489685 is a deficient number, since it is larger than the sum of its proper divisors (17848493835).

29747489685 is a wasteful number, since it uses less digits than its factorization.

29747489685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983165987.

The product of its digits is 243855360, while the sum is 69.

The spelling of 29747489685 in words is "twenty-nine billion, seven hundred forty-seven million, four hundred eighty-nine thousand, six hundred eighty-five".