3521868500 has 48 divisors (see below), whose sum is σ = 8096612160. Its totient is φ = 1334599200.

The previous prime is 3521868499. The next prime is 3521868509. The reversal of 3521868500 is 58681253.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521868509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175862 + ... + 194861.

It is an arithmetic number, because the mean of its divisors is an integer number (168679420).

Almost surely, 2^3521868500 is an apocalyptic number.

It is an amenable number.

3521868500 is an abundant number, since it is smaller than the sum of its proper divisors (4574743660).

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

3521868500 is a wasteful number, since it uses less digits than its factorization.

3521868500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370761 (or 370749 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 3521868500 is about 59345.3325881657. The cubic root of 3521868500 is about 1521.4500964156.

The spelling of 3521868500 in words is "three billion, five hundred twenty-one million, eight hundred sixty-eight thousand, five hundred".