29661860147 has 8 divisors (see below), whose sum is σ = 30192768144. Its totient is φ = 29135084128.

The previous prime is 29661860141. The next prime is 29661860149. The reversal of 29661860147 is 74106816692.

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

It is a cyclic number.

It is not a de Polignac number, because 29661860147 - 2⁸ = 29661859891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29661860095 and 29661860104.

It is not an unprimeable number, because it can be changed into a prime (29661860141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018508 + ... + 1047225.

It is an arithmetic number, because the mean of its divisors is an integer number (3774096018).

Almost surely, 2^29661860147 is an apocalyptic number.

29661860147 is a deficient number, since it is larger than the sum of its proper divisors (530907997).

29661860147 is a wasteful number, since it uses less digits than its factorization.

29661860147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065989.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 29661860147 in words is "twenty-nine billion, six hundred sixty-one million, eight hundred sixty thousand, one hundred forty-seven".