263914403076 has 27 divisors (see below), whose sum is σ = 667124754933. Its totient is φ = 87970440240.

The previous prime is 263914403069. The next prime is 263914403107. The reversal of 263914403076 is 670304419362.

The square root of 263914403076 is 513726.

It is a perfect power (a square), and thus also a powerful number.

263914403076 is a `hidden beast` number, since 2 + 639 + 1 + 4 + 4 + 0 + 3 + 0 + 7 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 245494484676 + 18419918400 = 495474^2 + 135720^2 .

It is a super-2 number, since 2×263914403076² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3039546 + ... + 3125166.

Almost surely, 2^263914403076 is an apocalyptic number.

263914403076 is the 513726-th square number.

It is an amenable number.

263914403076 is an abundant number, since it is smaller than the sum of its proper divisors (403210351857).

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

263914403076 is an frugal number, since it uses more digits than its factorization.

263914403076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171252 (or 85626 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 263914403076 in words is "two hundred sixty-three billion, nine hundred fourteen million, four hundred three thousand, seventy-six".