29435432147 has 4 divisors (see below), whose sum is σ = 32111380536. Its totient is φ = 26759483760.

The previous prime is 29435432101. The next prime is 29435432171. The reversal of 29435432147 is 74123453492.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29435432147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29435432098 and 29435432107.

It is not an unprimeable number, because it can be changed into a prime (29435438147) 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, 1337974178 + ... + 1337974199.

It is an arithmetic number, because the mean of its divisors is an integer number (8027845134).

Almost surely, 2^29435432147 is an apocalyptic number.

29435432147 is a deficient number, since it is larger than the sum of its proper divisors (2675948389).

29435432147 is a wasteful number, since it uses less digits than its factorization.

29435432147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675948388.

The product of its digits is 725760, while the sum is 44.

The spelling of 29435432147 in words is "twenty-nine billion, four hundred thirty-five million, four hundred thirty-two thousand, one hundred forty-seven".