29421896894 has 16 divisors (see below), whose sum is σ = 48197086560. Its totient is φ = 13388077920.

The previous prime is 29421896851. The next prime is 29421896939. The reversal of 29421896894 is 49869812492.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7967249 + ... + 7970940.

It is an arithmetic number, because the mean of its divisors is an integer number (3012317910).

Almost surely, 2^29421896894 is an apocalyptic number.

29421896894 is a deficient number, since it is larger than the sum of its proper divisors (18775189666).

29421896894 is a wasteful number, since it uses less digits than its factorization.

29421896894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15938275.

The product of its digits is 17915904, while the sum is 62.

The spelling of 29421896894 in words is "twenty-nine billion, four hundred twenty-one million, eight hundred ninety-six thousand, eight hundred ninety-four".