425577068897 has 2 divisors, whose sum is σ = 425577068898. Its totient is φ = 425577068896.

The previous prime is 425577068821. The next prime is 425577068923. The reversal of 425577068897 is 798860775524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316925087521 + 108651981376 = 562961^2 + 329624^2 .

It is a cyclic number.

It is not a de Polignac number, because 425577068897 - 2¹⁴ = 425577052513 is a prime.

It is a super-2 number, since 2×425577068897² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (425577068297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212788534448 + 212788534449.

It is an arithmetic number, because the mean of its divisors is an integer number (212788534449).

Almost surely, 2^425577068897 is an apocalyptic number.

It is an amenable number.

425577068897 is a deficient number, since it is larger than the sum of its proper divisors (1).

425577068897 is an equidigital number, since it uses as much as digits as its factorization.

425577068897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 237081600, while the sum is 68.

The spelling of 425577068897 in words is "four hundred twenty-five billion, five hundred seventy-seven million, sixty-eight thousand, eight hundred ninety-seven".