698321052971 has 2 divisors, whose sum is σ = 698321052972. Its totient is φ = 698321052970.

The previous prime is 698321052889. The next prime is 698321052997. The reversal of 698321052971 is 179250123896.

698321052971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698321052971 is a prime.

It is not a weakly prime, because it can be changed into another prime (698326052971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349160526485 + 349160526486.

It is an arithmetic number, because the mean of its divisors is an integer number (349160526486).

Almost surely, 2^698321052971 is an apocalyptic number.

698321052971 is a deficient number, since it is larger than the sum of its proper divisors (1).

698321052971 is an equidigital number, since it uses as much as digits as its factorization.

698321052971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 698321052971 in words is "six hundred ninety-eight billion, three hundred twenty-one million, fifty-two thousand, nine hundred seventy-one".