29293505139 has 4 divisors (see below), whose sum is σ = 39058006856. Its totient is φ = 19529003424.

The previous prime is 29293505119. The next prime is 29293505147. The reversal of 29293505139 is 93150539292.

It is a happy number.

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

It is not a de Polignac number, because 29293505139 - 2⁵ = 29293505107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29293505119) 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, 4882250854 + ... + 4882250859.

It is an arithmetic number, because the mean of its divisors is an integer number (9764501714).

Almost surely, 2^29293505139 is an apocalyptic number.

29293505139 is a deficient number, since it is larger than the sum of its proper divisors (9764501717).

29293505139 is an equidigital number, since it uses as much as digits as its factorization.

29293505139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9764501716.

The product of its (nonzero) digits is 656100, while the sum is 48.

The spelling of 29293505139 in words is "twenty-nine billion, two hundred ninety-three million, five hundred five thousand, one hundred thirty-nine".