425293907069 has 2 divisors, whose sum is σ = 425293907070. Its totient is φ = 425293907068.

The previous prime is 425293907057. The next prime is 425293907173. The reversal of 425293907069 is 960709392524.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324173087044 + 101120820025 = 569362^2 + 317995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425293907069 is a prime.

It is a super-2 number, since 2×425293907069² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425293907029) 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, 212646953534 + 212646953535.

It is an arithmetic number, because the mean of its divisors is an integer number (212646953535).

Almost surely, 2^425293907069 is an apocalyptic number.

It is an amenable number.

425293907069 is a deficient number, since it is larger than the sum of its proper divisors (1).

425293907069 is an equidigital number, since it uses as much as digits as its factorization.

425293907069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 56.

The spelling of 425293907069 in words is "four hundred twenty-five billion, two hundred ninety-three million, nine hundred seven thousand, sixty-nine".