29420978039 has 8 divisors (see below), whose sum is σ = 31153719168. Its totient is φ = 27688469760.

The previous prime is 29420978033. The next prime is 29420978047. The reversal of 29420978039 is 93087902492.

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 29420978039 - 2²⁰ = 29419929463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29420978033) 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, 247994 + ... + 346904.

It is an arithmetic number, because the mean of its divisors is an integer number (3894214896).

Almost surely, 2^29420978039 is an apocalyptic number.

29420978039 is a deficient number, since it is larger than the sum of its proper divisors (1732741129).

29420978039 is a wasteful number, since it uses less digits than its factorization.

29420978039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116425.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 29420978039 in words is "twenty-nine billion, four hundred twenty million, nine hundred seventy-eight thousand, thirty-nine".