425450341553 has 2 divisors, whose sum is σ = 425450341554. Its totient is φ = 425450341552.

The previous prime is 425450341549. The next prime is 425450341573. The reversal of 425450341553 is 355143054524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296233098529 + 129217243024 = 544273^2 + 359468^2 .

It is a cyclic number.

It is not a de Polignac number, because 425450341553 - 2² = 425450341549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425450341553.

It is not a weakly prime, because it can be changed into another prime (425450341573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212725170776 + 212725170777.

It is an arithmetic number, because the mean of its divisors is an integer number (212725170777).

Almost surely, 2^425450341553 is an apocalyptic number.

It is an amenable number.

425450341553 is a deficient number, since it is larger than the sum of its proper divisors (1).

425450341553 is an equidigital number, since it uses as much as digits as its factorization.

425450341553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 425450341553 in words is "four hundred twenty-five billion, four hundred fifty million, three hundred forty-one thousand, five hundred fifty-three".