29869109000 has 64 divisors (see below), whose sum is σ = 70105651200. Its totient is φ = 11911416000.

The previous prime is 29869108993. The next prime is 29869109069. The reversal of 29869109000 is 90196892.

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, 285881 + ... + 376119.

It is an arithmetic number, because the mean of its divisors is an integer number (1095400800).

Almost surely, 2^29869109000 is an apocalyptic number.

29869109000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29869109000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35052825600).

29869109000 is an abundant number, since it is smaller than the sum of its proper divisors (40236542200).

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

29869109000 is a wasteful number, since it uses less digits than its factorization.

29869109000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90591 (or 90577 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 29869109000 in words is "twenty-nine billion, eight hundred sixty-nine million, one hundred nine thousand".