914213063681 has 2 divisors, whose sum is σ = 914213063682. Its totient is φ = 914213063680.

The previous prime is 914213063639. The next prime is 914213063749. The reversal of 914213063681 is 186360312419.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 891436217281 + 22776846400 = 944159^2 + 150920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-914213063681 is a prime.

It is a super-2 number, since 2×914213063681² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (914213063381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457106531840 + 457106531841.

It is an arithmetic number, because the mean of its divisors is an integer number (457106531841).

Almost surely, 2^914213063681 is an apocalyptic number.

It is an amenable number.

914213063681 is a deficient number, since it is larger than the sum of its proper divisors (1).

914213063681 is an equidigital number, since it uses as much as digits as its factorization.

914213063681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 914213063681 in words is "nine hundred fourteen billion, two hundred thirteen million, sixty-three thousand, six hundred eighty-one".