6902143556 has 96 divisors (see below), whose sum is σ = 15545779200. Its totient is φ = 2603652480.

The previous prime is 6902143537. The next prime is 6902143561. The reversal of 6902143556 is 6553412096.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1214690 + ... + 1220358.

It is an arithmetic number, because the mean of its divisors is an integer number (161935200).

Almost surely, 2^6902143556 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 6902143556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7772889600).

6902143556 is an abundant number, since it is smaller than the sum of its proper divisors (8643635644).

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

6902143556 is a wasteful number, since it uses less digits than its factorization.

6902143556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5817 (or 5815 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 6902143556 is about 83079.1403181328. The cubic root of 6902143556 is about 1903.9753843209.

The spelling of 6902143556 in words is "six billion, nine hundred two million, one hundred forty-three thousand, five hundred fifty-six".