68849384045525 has 48 divisors (see below), whose sum is σ = 90925458106560. Its totient is φ = 51624789350400.

The previous prime is 68849384045521. The next prime is 68849384045531. The reversal of 68849384045525 is 52554048394886.

It is not a de Polignac number, because 68849384045525 - 2² = 68849384045521 is a prime.

It is a super-4 number, since 4×68849384045525⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68849384045521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1692956 + ... + 11856005.

It is an arithmetic number, because the mean of its divisors is an integer number (1894280377220).

Almost surely, 2^{68849384045525} is an apocalyptic number.

It is an amenable number.

68849384045525 is a deficient number, since it is larger than the sum of its proper divisors (22076074061035).

68849384045525 is a wasteful number, since it uses less digits than its factorization.

68849384045525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13549206 (or 13549201 counting only the distinct ones).

The product of its (nonzero) digits is 1327104000, while the sum is 71.

The spelling of 68849384045525 in words is "sixty-eight trillion, eight hundred forty-nine billion, three hundred eighty-four million, forty-five thousand, five hundred twenty-five".