5894847958421 has 4 divisors (see below), whose sum is σ = 5894895902700. Its totient is φ = 5894800014144.

The previous prime is 5894847958411. The next prime is 5894847958457. The reversal of 5894847958421 is 1248597484985.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3218633343025 + 2676214615396 = 1794055^2 + 1635914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5894847958421 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 (5894847958411) 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, 23787236 + ... + 24033773.

It is an arithmetic number, because the mean of its divisors is an integer number (1473723975675).

Almost surely, 2^{5894847958421} is an apocalyptic number.

It is an amenable number.

5894847958421 is a deficient number, since it is larger than the sum of its proper divisors (47944279).

5894847958421 is a wasteful number, since it uses less digits than its factorization.

5894847958421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47944278.

The product of its digits is 928972800, while the sum is 74.

The spelling of 5894847958421 in words is "five trillion, eight hundred ninety-four billion, eight hundred forty-seven million, nine hundred fifty-eight thousand, four hundred twenty-one".