29339513939 has 4 divisors (see below), whose sum is σ = 29393151624. Its totient is φ = 29285876256.

The previous prime is 29339513909. The next prime is 29339513947. The reversal of 29339513939 is 93931593392.

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

It is a cyclic number.

It is not a de Polignac number, because 29339513939 - 2¹⁶ = 29339448403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29339513909) 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, 26818022 + ... + 26819115.

It is an arithmetic number, because the mean of its divisors is an integer number (7348287906).

Almost surely, 2^29339513939 is an apocalyptic number.

29339513939 is a deficient number, since it is larger than the sum of its proper divisors (53637685).

29339513939 is an equidigital number, since it uses as much as digits as its factorization.

29339513939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53637684.

The product of its digits is 5314410, while the sum is 56.

The spelling of 29339513939 in words is "twenty-nine billion, three hundred thirty-nine million, five hundred thirteen thousand, nine hundred thirty-nine".