7448723451816 has 64 divisors (see below), whose sum is σ = 19734340884480. Its totient is φ = 2334823987200.

The previous prime is 7448723451811. The next prime is 7448723451821. The reversal of 7448723451816 is 6181543278447.

It is an interprime number because it is at equal distance from previous prime (7448723451811) and next prime (7448723451821).

It is a self number, because there is not a number n which added to its sum of digits gives 7448723451816.

It is not an unprimeable number, because it can be changed into a prime (7448723451811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7461181 + ... + 8400396.

It is an arithmetic number, because the mean of its divisors is an integer number (308349076320).

Almost surely, 2^{7448723451816} is an apocalyptic number.

It is an amenable number.

7448723451816 is an abundant number, since it is smaller than the sum of its proper divisors (12285617432664).

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

7448723451816 is a wasteful number, since it uses less digits than its factorization.

7448723451816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15862754 (or 15862750 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 60.

The spelling of 7448723451816 in words is "seven trillion, four hundred forty-eight billion, seven hundred twenty-three million, four hundred fifty-one thousand, eight hundred sixteen".