698423741 has 2 divisors, whose sum is σ = 698423742. Its totient is φ = 698423740.

The previous prime is 698423723. The next prime is 698423783. The reversal of 698423741 is 147324896.

698423741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 603439225 + 94984516 = 24565^2 + 9746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698423741 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 698423692 and 698423701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698423701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349211870 + 349211871.

It is an arithmetic number, because the mean of its divisors is an integer number (349211871).

Almost surely, 2^698423741 is an apocalyptic number.

It is an amenable number.

698423741 is a deficient number, since it is larger than the sum of its proper divisors (1).

698423741 is an equidigital number, since it uses as much as digits as its factorization.

698423741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 44.

The square root of 698423741 is about 26427.7078272029. The cubic root of 698423741 is about 887.2370405502.

The spelling of 698423741 in words is "six hundred ninety-eight million, four hundred twenty-three thousand, seven hundred forty-one".