9814705262649 has 27 divisors (see below), whose sum is σ = 16491486054693. Its totient is φ = 5608365413112.

The previous prime is 9814705262629. The next prime is 9814705262693. The reversal of 9814705262649 is 9462625074189.

The square root of 9814705262649 is 3132843.

It is a perfect power (a square), and thus also a powerful number.

9814705262649 is a `hidden beast` number, since 9 + 8 + 1 + 47 + 0 + 526 + 2 + 64 + 9 = 666.

It is not a de Polignac number, because 9814705262649 - 2⁵ = 9814705262617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (9814705262629) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 65715112 + ... + 65864294.

Almost surely, 2^{9814705262649} is an apocalyptic number.

9814705262649 is the 3132843-rd square number.

9814705262649 is the 1566422-nd centered octagonal number.

It is an amenable number.

9814705262649 is a deficient number, since it is larger than the sum of its proper divisors (6676780792044).

9814705262649 is an frugal number, since it uses more digits than its factorization.

9814705262649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298386 (or 149193 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 9814705262649 in words is "nine trillion, eight hundred fourteen billion, seven hundred five million, two hundred sixty-two thousand, six hundred forty-nine".