29478163442 has 32 divisors (see below), whose sum is σ = 54442238592. Its totient is φ = 11657188224.

The previous prime is 29478163433. The next prime is 29478163499. The reversal of 29478163442 is 24436187492.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462758 + ... + 522590.

It is an arithmetic number, because the mean of its divisors is an integer number (1701319956).

Almost surely, 2^29478163442 is an apocalyptic number.

29478163442 is a deficient number, since it is larger than the sum of its proper divisors (24964075150).

29478163442 is a wasteful number, since it uses less digits than its factorization.

29478163442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62562.

The product of its digits is 2322432, while the sum is 50.

The spelling of 29478163442 in words is "twenty-nine billion, four hundred seventy-eight million, one hundred sixty-three thousand, four hundred forty-two".