6263144988 has 48 divisors (see below), whose sum is σ = 15169695744. Its totient is φ = 2009787840.

The previous prime is 6263144959. The next prime is 6263145041. The reversal of 6263144988 is 8894413626.

It is a self number, because there is not a number n which added to its sum of digits gives 6263144988.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56620 + ... + 125427.

It is an arithmetic number, because the mean of its divisors is an integer number (316035328).

Almost surely, 2^6263144988 is an apocalyptic number.

It is an amenable number.

6263144988 is an abundant number, since it is smaller than the sum of its proper divisors (8906550756).

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

6263144988 is a wasteful number, since it uses less digits than its factorization.

6263144988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182162 (or 182160 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 51.

The square root of 6263144988 is about 79140.0340409328. The cubic root of 6263144988 is about 1843.3062197001.

The spelling of 6263144988 in words is "six billion, two hundred sixty-three million, one hundred forty-four thousand, nine hundred eighty-eight".