6916815450 has 96 divisors (see below), whose sum is σ = 19165648320. Its totient is φ = 1834228800.

The previous prime is 6916815443. The next prime is 6916815463. The reversal of 6916815450 is 545186196.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 6916815396 and 6916815405.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 230197 + ... + 258503.

It is an arithmetic number, because the mean of its divisors is an integer number (199642170).

Almost surely, 2^6916815450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6916815450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9582824160).

6916815450 is an abundant number, since it is smaller than the sum of its proper divisors (12248832870).

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

6916815450 is a wasteful number, since it uses less digits than its factorization.

6916815450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28509 (or 28498 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 6916815450 is about 83167.3941517948. The cubic root of 6916815450 is about 1905.3235237004.

The spelling of 6916815450 in words is "six billion, nine hundred sixteen million, eight hundred fifteen thousand, four hundred fifty".