6403869324 has 18 divisors (see below), whose sum is σ = 16187558660. Its totient is φ = 2134623096.

The previous prime is 6403869289. The next prime is 6403869337. The reversal of 6403869324 is 4239683046.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 6403869324.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88942594 + ... + 88942665.

Almost surely, 2^6403869324 is an apocalyptic number.

It is an amenable number.

6403869324 is an abundant number, since it is smaller than the sum of its proper divisors (9783689336).

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

6403869324 is a wasteful number, since it uses less digits than its factorization.

6403869324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177885269 (or 177885264 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 6403869324 is about 80024.1796209121. The cubic root of 6403869324 is about 1857.0096207971.

The spelling of 6403869324 in words is "six billion, four hundred three million, eight hundred sixty-nine thousand, three hundred twenty-four".