7685491015456 has 48 divisors (see below), whose sum is σ = 15391685746080. Its totient is φ = 3776528888320.

The previous prime is 7685491015453. The next prime is 7685491015529. The reversal of 7685491015456 is 6545101945867.

It is a junction number, because it is equal to n+sod(n) for n = 7685491015394 and 7685491015403.

It is not an unprimeable number, because it can be changed into a prime (7685491015453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6007980 + ... + 7174036.

It is an arithmetic number, because the mean of its divisors is an integer number (320660119710).

Almost surely, 2^{7685491015456} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7685491015456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7695842873040).

7685491015456 is an abundant number, since it is smaller than the sum of its proper divisors (7706194730624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7685491015456 is a wasteful number, since it uses less digits than its factorization.

7685491015456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169617 (or 1169609 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 61.

The spelling of 7685491015456 in words is "seven trillion, six hundred eighty-five billion, four hundred ninety-one million, fifteen thousand, four hundred fifty-six".