4578139164997 has 4 divisors (see below), whose sum is σ = 4578143814400. Its totient is φ = 4578134515596.

The previous prime is 4578139164947. The next prime is 4578139165021. The reversal of 4578139164997 is 7994619318754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4578139164997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4578139164947) 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, 200997 + ... + 3032602.

It is an arithmetic number, because the mean of its divisors is an integer number (1144535953600).

Almost surely, 2^{4578139164997} is an apocalyptic number.

It is an amenable number.

4578139164997 is a deficient number, since it is larger than the sum of its proper divisors (4649403).

4578139164997 is a wasteful number, since it uses less digits than its factorization.

4578139164997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4649402.

The product of its digits is 411505920, while the sum is 73.

The spelling of 4578139164997 in words is "four trillion, five hundred seventy-eight billion, one hundred thirty-nine million, one hundred sixty-four thousand, nine hundred ninety-seven".