263752233253 has 4 divisors (see below), whose sum is σ = 277633929760. Its totient is φ = 249870536748.

The previous prime is 263752233247. The next prime is 263752233307. The reversal of 263752233253 is 352332257362.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352332257362 = 2 ⋅176166128681.

It is a cyclic number.

It is not a de Polignac number, because 263752233253 - 2⁹ = 263752232741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263752233653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6940848225 + ... + 6940848262.

It is an arithmetic number, because the mean of its divisors is an integer number (69408482440).

Almost surely, 2^263752233253 is an apocalyptic number.

It is an amenable number.

263752233253 is a deficient number, since it is larger than the sum of its proper divisors (13881696507).

263752233253 is a wasteful number, since it uses less digits than its factorization.

263752233253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13881696506.

The product of its digits is 1360800, while the sum is 43.

The spelling of 263752233253 in words is "two hundred sixty-three billion, seven hundred fifty-two million, two hundred thirty-three thousand, two hundred fifty-three".