29934405642 has 16 divisors (see below), whose sum is σ = 59929235712. Its totient is φ = 9968064480.

The previous prime is 29934405577. The next prime is 29934405643. The reversal of 29934405642 is 24650443992.

It is a super-2 number, since 2×29934405642² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29934405591 and 29934405600.

It is not an unprimeable number, because it can be changed into a prime (29934405643) 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, 2511243 + ... + 2523134.

It is an arithmetic number, because the mean of its divisors is an integer number (3745577232).

Almost surely, 2^29934405642 is an apocalyptic number.

29934405642 is an abundant number, since it is smaller than the sum of its proper divisors (29994830070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29934405642 is a wasteful number, since it uses less digits than its factorization.

29934405642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5035373.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 29934405642 in words is "twenty-nine billion, nine hundred thirty-four million, four hundred five thousand, six hundred forty-two".