425554413421013 has 2 divisors, whose sum is σ = 425554413421014. Its totient is φ = 425554413421012.

The previous prime is 425554413421003. The next prime is 425554413421069. The reversal of 425554413421013 is 310124314455524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 294312484069444 + 131241929351569 = 17155538^2 + 11456087^2 .

It is a cyclic number.

It is not a de Polignac number, because 425554413421013 - 2¹² = 425554413416917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425554413421003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212777206710506 + 212777206710507.

It is an arithmetic number, because the mean of its divisors is an integer number (212777206710507).

Almost surely, 2^{425554413421013} is an apocalyptic number.

It is an amenable number.

425554413421013 is a deficient number, since it is larger than the sum of its proper divisors (1).

425554413421013 is an equidigital number, since it uses as much as digits as its factorization.

425554413421013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152000, while the sum is 44.

Adding to 425554413421013 its reverse (310124314455524), we get a palindrome (735678727876537).

The spelling of 425554413421013 in words is "four hundred twenty-five trillion, five hundred fifty-four billion, four hundred thirteen million, four hundred twenty-one thousand, thirteen".