3565894977456 has 160 divisors (see below), whose sum is σ = 11093341647360. Its totient is φ = 964215042048.

The previous prime is 3565894977433. The next prime is 3565894977539. The reversal of 3565894977456 is 6547794985653.

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, 5951310 + ... + 6523026.

It is an arithmetic number, because the mean of its divisors is an integer number (69333385296).

Almost surely, 2^{3565894977456} 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 3565894977456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5546670823680).

3565894977456 is an abundant number, since it is smaller than the sum of its proper divisors (7527446669904).

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

3565894977456 is a wasteful number, since it uses less digits than its factorization.

3565894977456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572731 (or 572725 counting only the distinct ones).

The product of its digits is 6858432000, while the sum is 78.

The spelling of 3565894977456 in words is "three trillion, five hundred sixty-five billion, eight hundred ninety-four million, nine hundred seventy-seven thousand, four hundred fifty-six".