29406969858 has 64 divisors (see below), whose sum is σ = 69229209600. Its totient is φ = 8323405776.

The previous prime is 29406969857. The next prime is 29406969859. The reversal of 29406969858 is 85896960492.

It is an interprime number because it is at equal distance from previous prime (29406969857) and next prime (29406969859).

It is not an unprimeable number, because it can be changed into a prime (29406969857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153435 + ... + 286977.

It is an arithmetic number, because the mean of its divisors is an integer number (1081706400).

Almost surely, 2^29406969858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29406969858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34614604800).

29406969858 is an abundant number, since it is smaller than the sum of its proper divisors (39822239742).

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

29406969858 is a wasteful number, since it uses less digits than its factorization.

29406969858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133676 (or 133662 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 66.

The spelling of 29406969858 in words is "twenty-nine billion, four hundred six million, nine hundred sixty-nine thousand, eight hundred fifty-eight".