223381952689 has 27 divisors (see below), whose sum is σ = 261865332651. Its totient is φ = 189998466000.

The previous prime is 223381952621. The next prime is 223381952693. The reversal of 223381952689 is 986259183322.

The square root of 223381952689 is 472633.

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., 14697440289 + 208684512400 = 121233^2 + 456820^2 .

It is not a de Polignac number, because 223381952689 - 2¹⁵ = 223381919921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223381956689) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 830416047 + ... + 830416315.

Almost surely, 2^223381952689 is an apocalyptic number.

223381952689 is the 472633-rd square number.

223381952689 is the 236317-th centered octagonal number.

It is an amenable number.

223381952689 is a deficient number, since it is larger than the sum of its proper divisors (38483379962).

223381952689 is an frugal number, since it uses more digits than its factorization.

223381952689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 527 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 58.

The spelling of 223381952689 in words is "two hundred twenty-three billion, three hundred eighty-one million, nine hundred fifty-two thousand, six hundred eighty-nine".