263483561748 has 96 divisors (see below), whose sum is σ = 714904444800. Its totient is φ = 74642391040.

The previous prime is 263483561729. The next prime is 263483561771. The reversal of 263483561748 is 847165384362.

It is a happy number.

It is a super-2 number, since 2×263483561748² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 59661 + ... + 728372.

It is an arithmetic number, because the mean of its divisors is an integer number (7446921300).

Almost surely, 2^263483561748 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 263483561748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357452222400).

263483561748 is an abundant number, since it is smaller than the sum of its proper divisors (451420883052).

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

263483561748 is a wasteful number, since it uses less digits than its factorization.

263483561748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788217 (or 788215 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 57.

The spelling of 263483561748 in words is "two hundred sixty-three billion, four hundred eighty-three million, five hundred sixty-one thousand, seven hundred forty-eight".