263244964 has 6 divisors (see below), whose sum is σ = 460678694. Its totient is φ = 131622480.

The previous prime is 263244953. The next prime is 263244967. The reversal of 263244964 is 469442362.

263244964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 257281600 + 5963364 = 16040^2 + 2442^2 .

It is a super-2 number, since 2×263244964² = 138595822142722592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (263244967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32905617 + ... + 32905624.

Almost surely, 2^263244964 is an apocalyptic number.

It is an amenable number.

263244964 is a deficient number, since it is larger than the sum of its proper divisors (197433730).

263244964 is a wasteful number, since it uses less digits than its factorization.

263244964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65811245 (or 65811243 counting only the distinct ones).

The product of its digits is 248832, while the sum is 40.

The square root of 263244964 is about 16224.8255460575. The cubic root of 263244964 is about 640.8947154083.

The spelling of 263244964 in words is "two hundred sixty-three million, two hundred forty-four thousand, nine hundred sixty-four".