10698721063 has 2 divisors, whose sum is σ = 10698721064. Its totient is φ = 10698721062.

The previous prime is 10698721013. The next prime is 10698721157. The reversal of 10698721063 is 36012789601.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10698721063 is a prime.

It is a super-2 number, since 2×10698721063² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10698721013) 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, 5349360531 + 5349360532.

It is an arithmetic number, because the mean of its divisors is an integer number (5349360532).

Almost surely, 2^10698721063 is an apocalyptic number.

10698721063 is a deficient number, since it is larger than the sum of its proper divisors (1).

10698721063 is an equidigital number, since it uses as much as digits as its factorization.

10698721063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 10698721063 in words is "ten billion, six hundred ninety-eight million, seven hundred twenty-one thousand, sixty-three".