63698741 has 2 divisors, whose sum is σ = 63698742. Its totient is φ = 63698740.

The previous prime is 63698731. The next prime is 63698749. The reversal of 63698741 is 14789636.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45508516 + 18190225 = 6746^2 + 4265^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63698741 is a prime.

It is a super-3 number, since 3×63698741³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 63698692 and 63698701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63698749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31849370 + 31849371.

It is an arithmetic number, because the mean of its divisors is an integer number (31849371).

Almost surely, 2^63698741 is an apocalyptic number.

It is an amenable number.

63698741 is a deficient number, since it is larger than the sum of its proper divisors (1).

63698741 is an equidigital number, since it uses as much as digits as its factorization.

63698741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 63698741 is about 7981.1491027295. The cubic root of 63698741 is about 399.3713897236.

The spelling of 63698741 in words is "sixty-three million, six hundred ninety-eight thousand, seven hundred forty-one".