34991811500 has 48 divisors (see below), whose sum is σ = 76517234976. Its totient is φ = 13979304000.

The previous prime is 34991811499. The next prime is 34991811523. The reversal of 34991811500 is 511819943.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362354 + ... + 448646.

It is an arithmetic number, because the mean of its divisors is an integer number (1594109062).

Almost surely, 2^34991811500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34991811500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38258617488).

34991811500 is an abundant number, since it is smaller than the sum of its proper divisors (41525423476).

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

34991811500 is a wasteful number, since it uses less digits than its factorization.

34991811500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87123 (or 87111 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 41.

The spelling of 34991811500 in words is "thirty-four billion, nine hundred ninety-one million, eight hundred eleven thousand, five hundred".