6563245283490 has 256 divisors, whose sum is σ = 20094509776896. Its totient is φ = 1337306112000.

The previous prime is 6563245283489. The next prime is 6563245283513. The reversal of 6563245283490 is 943825423656.

It is a self number, because there is not a number n which added to its sum of digits gives 6563245283490.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4570590 + ... + 5832390.

It is an arithmetic number, because the mean of its divisors is an integer number (78494178816).

Almost surely, 2^{6563245283490} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6563245283490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10047254888448).

6563245283490 is an abundant number, since it is smaller than the sum of its proper divisors (13531264493406).

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

6563245283490 is a wasteful number, since it uses less digits than its factorization.

6563245283490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261913.

The product of its (nonzero) digits is 37324800, while the sum is 57.

The spelling of 6563245283490 in words is "six trillion, five hundred sixty-three billion, two hundred forty-five million, two hundred eighty-three thousand, four hundred ninety".