698103641 has 2 divisors, whose sum is σ = 698103642. Its totient is φ = 698103640.

The previous prime is 698103607. The next prime is 698103647. The reversal of 698103641 is 146301896.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543822400 + 154281241 = 23320^2 + 12421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698103641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 698103595 and 698103604.

It is not a weakly prime, because it can be changed into another prime (698103647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349051820 + 349051821.

It is an arithmetic number, because the mean of its divisors is an integer number (349051821).

Almost surely, 2^698103641 is an apocalyptic number.

It is an amenable number.

698103641 is a deficient number, since it is larger than the sum of its proper divisors (1).

698103641 is an equidigital number, since it uses as much as digits as its factorization.

698103641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 698103641 is about 26421.6509892929. The cubic root of 698103641 is about 887.1014743415.

The spelling of 698103641 in words is "six hundred ninety-eight million, one hundred three thousand, six hundred forty-one".