233763547081 has 3 divisors (see below), whose sum is σ = 233764030573. Its totient is φ = 233763063590.

The previous prime is 233763547067. The next prime is 233763547093. The reversal of 233763547081 is 180745367332.

The square root of 233763547081 is 483491.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 233763547081 - 2¹⁹ = 233763022793 is a prime.

It is a super-2 number, since 2×233763547081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233763547051) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 241746 + ... + 725236.

Almost surely, 2^233763547081 is an apocalyptic number.

233763547081 is the 483491-st square number.

233763547081 is the 241746-th centered octagonal number.

It is an amenable number.

233763547081 is a deficient number, since it is larger than the sum of its proper divisors (483492).

233763547081 is an frugal number, since it uses more digits than its factorization.

233763547081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966982 (or 483491 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 49.

Multiplying 233763547081 by its sum of digits (49), we get a square (11454413806969 = 3384437²).

The spelling of 233763547081 in words is "two hundred thirty-three billion, seven hundred sixty-three million, five hundred forty-seven thousand, eighty-one".