225961420079 has 2 divisors, whose sum is σ = 225961420080. Its totient is φ = 225961420078.

The previous prime is 225961420037. The next prime is 225961420081. The reversal of 225961420079 is 970024169522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225961420079 is a prime.

Together with 225961420081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225961426079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112980710039 + 112980710040.

It is an arithmetic number, because the mean of its divisors is an integer number (112980710040).

Almost surely, 2^225961420079 is an apocalyptic number.

225961420079 is a deficient number, since it is larger than the sum of its proper divisors (1).

225961420079 is an equidigital number, since it uses as much as digits as its factorization.

225961420079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 225961420079 in words is "two hundred twenty-five billion, nine hundred sixty-one million, four hundred twenty thousand, seventy-nine".