85425569351 has 2 divisors, whose sum is σ = 85425569352. Its totient is φ = 85425569350.

The previous prime is 85425569249. The next prime is 85425569363. The reversal of 85425569351 is 15396552458.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85425569351 is a prime.

It is a super-2 number, since 2×85425569351² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85425569293 and 85425569302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85425569371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42712784675 + 42712784676.

It is an arithmetic number, because the mean of its divisors is an integer number (42712784676).

Almost surely, 2^85425569351 is an apocalyptic number.

85425569351 is a deficient number, since it is larger than the sum of its proper divisors (1).

85425569351 is an equidigital number, since it uses as much as digits as its factorization.

85425569351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480000, while the sum is 53.

The spelling of 85425569351 in words is "eighty-five billion, four hundred twenty-five million, five hundred sixty-nine thousand, three hundred fifty-one".