29034923478 has 16 divisors (see below), whose sum is σ = 63348924096. Its totient is φ = 8798461640.

The previous prime is 29034923459. The next prime is 29034923513. The reversal of 29034923478 is 87432943092.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 29034923478.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219961476 + ... + 219961607.

It is an arithmetic number, because the mean of its divisors is an integer number (3959307756).

Almost surely, 2^29034923478 is an apocalyptic number.

29034923478 is an abundant number, since it is smaller than the sum of its proper divisors (34314000618).

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

29034923478 is a wasteful number, since it uses less digits than its factorization.

29034923478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439923099.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 29034923478 in words is "twenty-nine billion, thirty-four million, nine hundred twenty-three thousand, four hundred seventy-eight".