425379130493 has 2 divisors, whose sum is σ = 425379130494. Its totient is φ = 425379130492.

The previous prime is 425379130439. The next prime is 425379130639. The reversal of 425379130493 is 394031973524.

Together with previous prime (425379130439) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394417912729 + 30961217764 = 628027^2 + 175958^2 .

It is a cyclic number.

It is not a de Polignac number, because 425379130493 - 2¹² = 425379126397 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425379130403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212689565246 + 212689565247.

It is an arithmetic number, because the mean of its divisors is an integer number (212689565247).

Almost surely, 2^425379130493 is an apocalyptic number.

It is an amenable number.

425379130493 is a deficient number, since it is larger than the sum of its proper divisors (1).

425379130493 is an equidigital number, since it uses as much as digits as its factorization.

425379130493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 425379130493 in words is "four hundred twenty-five billion, three hundred seventy-nine million, one hundred thirty thousand, four hundred ninety-three".