647789035051 has 2 divisors, whose sum is σ = 647789035052. Its totient is φ = 647789035050.

The previous prime is 647789034983. The next prime is 647789035063. The reversal of 647789035051 is 150530987746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 647789035051 - 2⁷ = 647789034923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 647789034983 and 647789035001.

It is not a weakly prime, because it can be changed into another prime (647789035151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323894517525 + 323894517526.

It is an arithmetic number, because the mean of its divisors is an integer number (323894517526).

Almost surely, 2^647789035051 is an apocalyptic number.

647789035051 is a deficient number, since it is larger than the sum of its proper divisors (1).

647789035051 is an equidigital number, since it uses as much as digits as its factorization.

647789035051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 647789035051 in words is "six hundred forty-seven billion, seven hundred eighty-nine million, thirty-five thousand, fifty-one".