29071012842 has 12 divisors (see below), whose sum is σ = 62987194530. Its totient is φ = 9690337608.

The previous prime is 29071012801. The next prime is 29071012889. The reversal of 29071012842 is 24821017092.

It can be written as a sum of positive squares in only one way, i.e., 29063771361 + 7241481 = 170481^2 + 2691^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29071012797 and 29071012806.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 807528117 + ... + 807528152.

Almost surely, 2^29071012842 is an apocalyptic number.

29071012842 is an abundant number, since it is smaller than the sum of its proper divisors (33916181688).

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

29071012842 is a wasteful number, since it uses less digits than its factorization.

29071012842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615056277 (or 1615056274 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 29071012842 in words is "twenty-nine billion, seventy-one million, twelve thousand, eight hundred forty-two".