609820452847 has 2 divisors, whose sum is σ = 609820452848. Its totient is φ = 609820452846.

The previous prime is 609820452827. The next prime is 609820452907. The reversal of 609820452847 is 748254028906.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-609820452847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609820452817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304910226423 + 304910226424.

It is an arithmetic number, because the mean of its divisors is an integer number (304910226424).

Almost surely, 2^609820452847 is an apocalyptic number.

609820452847 is a deficient number, since it is larger than the sum of its proper divisors (1).

609820452847 is an equidigital number, since it uses as much as digits as its factorization.

609820452847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 609820452847 in words is "six hundred nine billion, eight hundred twenty million, four hundred fifty-two thousand, eight hundred forty-seven".