685350067425 has 12 divisors (see below), whose sum is σ = 1133112111600. Its totient is φ = 365520035920.

The previous prime is 685350067403. The next prime is 685350067447. The reversal of 685350067425 is 524760053586.

It is an interprime number because it is at equal distance from previous prime (685350067403) and next prime (685350067447).

It is a de Polignac number, because none of the positive numbers 2^k-685350067425 is a prime.

It is a super-2 number, since 2×685350067425² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4569000375 + ... + 4569000524.

It is an arithmetic number, because the mean of its divisors is an integer number (94426009300).

Almost surely, 2^685350067425 is an apocalyptic number.

It is an amenable number.

685350067425 is a deficient number, since it is larger than the sum of its proper divisors (447762044175).

685350067425 is a wasteful number, since it uses less digits than its factorization.

685350067425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9138000912 (or 9138000907 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 51.

The spelling of 685350067425 in words is "six hundred eighty-five billion, three hundred fifty million, sixty-seven thousand, four hundred twenty-five".