263873306596 has 27 divisors (see below), whose sum is σ = 466579092553. Its totient is φ = 130578981200.

The previous prime is 263873306563. The next prime is 263873306597. The reversal of 263873306596 is 695603378362.

The square root of 263873306596 is 513686.

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

It can be written as a sum of positive squares in only one way, i.e., 253526348196 + 10346958400 = 503514^2 + 101720^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 263873306596.

It is not an unprimeable number, because it can be changed into a prime (263873306597) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 103763301 + ... + 103765843.

Almost surely, 2^263873306596 is an apocalyptic number.

263873306596 is the 513686-th square number.

It is an amenable number.

263873306596 is a deficient number, since it is larger than the sum of its proper divisors (202705785957).

263873306596 is an frugal number, since it uses more digits than its factorization.

263873306596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5292 (or 2646 counting only the distinct ones).

The product of its (nonzero) digits is 29393280, while the sum is 58.

The spelling of 263873306596 in words is "two hundred sixty-three billion, eight hundred seventy-three million, three hundred six thousand, five hundred ninety-six".