223635031049 has 2 divisors, whose sum is σ = 223635031050. Its totient is φ = 223635031048.

The previous prime is 223635031019. The next prime is 223635031051. The reversal of 223635031049 is 940130536322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217628781049 + 6006250000 = 466507^2 + 77500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223635031049 is a prime.

It is a super-2 number, since 2×223635031049² (a number of 24 digits) contains 22 as substring.

Together with 223635031051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (223635031019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111817515524 + 111817515525.

It is an arithmetic number, because the mean of its divisors is an integer number (111817515525).

Almost surely, 2^223635031049 is an apocalyptic number.

It is an amenable number.

223635031049 is a deficient number, since it is larger than the sum of its proper divisors (1).

223635031049 is an equidigital number, since it uses as much as digits as its factorization.

223635031049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 223635031049 in words is "two hundred twenty-three billion, six hundred thirty-five million, thirty-one thousand, forty-nine".