5394652564978 has 8 divisors (see below), whose sum is σ = 8141622889968. Its totient is φ = 2680778268324.

The previous prime is 5394652564943. The next prime is 5394652564979. The reversal of 5394652564978 is 8794652564935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5394652564978.

It is not an unprimeable number, because it can be changed into a prime (5394652564979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8274006676 + ... + 8274007327.

It is an arithmetic number, because the mean of its divisors is an integer number (1017702861246).

Almost surely, 2^{5394652564978} is an apocalyptic number.

5394652564978 is a deficient number, since it is larger than the sum of its proper divisors (2746970324990).

5394652564978 is a wasteful number, since it uses less digits than its factorization.

5394652564978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16548014168.

The product of its digits is 1959552000, while the sum is 73.

The spelling of 5394652564978 in words is "five trillion, three hundred ninety-four billion, six hundred fifty-two million, five hundred sixty-four thousand, nine hundred seventy-eight".