263350653122730 has 256 divisors, whose sum is σ = 697789023805440. Its totient is φ = 63366847948800.

The previous prime is 263350653122717. The next prime is 263350653122731. The reversal of 263350653122730 is 37221356053362.

It is a self number, because there is not a number n which added to its sum of digits gives 263350653122730.

It is not an unprimeable number, because it can be changed into a prime (263350653122731) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 435758865 + ... + 436362795.

It is an arithmetic number, because the mean of its divisors is an integer number (2725738374240).

Almost surely, 2^{263350653122730} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263350653122730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348894511902720).

263350653122730 is an abundant number, since it is smaller than the sum of its proper divisors (434438370682710).

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

263350653122730 is a wasteful number, since it uses less digits than its factorization.

263350653122730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604445.

The product of its (nonzero) digits is 4082400, while the sum is 48.

The spelling of 263350653122730 in words is "two hundred sixty-three trillion, three hundred fifty billion, six hundred fifty-three million, one hundred twenty-two thousand, seven hundred thirty".