29439730342 has 36 divisors (see below), whose sum is σ = 48691874196. Its totient is φ = 13239395520.

The previous prime is 29439730339. The next prime is 29439730357. The reversal of 29439730342 is 24303793492.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 29439730292 and 29439730301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 126350658 + ... + 126350890.

It is an arithmetic number, because the mean of its divisors is an integer number (1352552061).

Almost surely, 2^29439730342 is an apocalyptic number.

29439730342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

29439730342 is a deficient number, since it is larger than the sum of its proper divisors (19252143854).

29439730342 is an equidigital number, since it uses as much as digits as its factorization.

29439730342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 46.

The spelling of 29439730342 in words is "twenty-nine billion, four hundred thirty-nine million, seven hundred thirty thousand, three hundred forty-two".