698379570461 has 2 divisors, whose sum is σ = 698379570462. Its totient is φ = 698379570460.

The previous prime is 698379570391. The next prime is 698379570529. The reversal of 698379570461 is 164075973896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392603749561 + 305775820900 = 626581^2 + 552970^2 .

It is a cyclic number.

It is not a de Polignac number, because 698379570461 - 2²² = 698375376157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698379570661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349189785230 + 349189785231.

It is an arithmetic number, because the mean of its divisors is an integer number (349189785231).

Almost surely, 2^698379570461 is an apocalyptic number.

It is an amenable number.

698379570461 is a deficient number, since it is larger than the sum of its proper divisors (1).

698379570461 is an equidigital number, since it uses as much as digits as its factorization.

698379570461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68584320, while the sum is 65.

The spelling of 698379570461 in words is "six hundred ninety-eight billion, three hundred seventy-nine million, five hundred seventy thousand, four hundred sixty-one".