4538570794447 has 2 divisors, whose sum is σ = 4538570794448. Its totient is φ = 4538570794446.

The previous prime is 4538570794357. The next prime is 4538570794453. The reversal of 4538570794447 is 7444970758354.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4538570794447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4538570794477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269285397223 + 2269285397224.

It is an arithmetic number, because the mean of its divisors is an integer number (2269285397224).

Almost surely, 2^{4538570794447} is an apocalyptic number.

4538570794447 is a deficient number, since it is larger than the sum of its proper divisors (1).

4538570794447 is an equidigital number, since it uses as much as digits as its factorization.

4538570794447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 474163200, while the sum is 67.

The spelling of 4538570794447 in words is "four trillion, five hundred thirty-eight billion, five hundred seventy million, seven hundred ninety-four thousand, four hundred forty-seven".