10147689728649 has 36 divisors (see below), whose sum is σ = 16120694735236. Its totient is φ = 6146581320000.

The previous prime is 10147689728633. The next prime is 10147689728651. The reversal of 10147689728649 is 94682798674101.

10147689728649 is a `hidden beast` number, since 1 + 0 + 1 + 476 + 8 + 9 + 72 + 86 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 112302063225 + 10035387665424 = 335115^2 + 3167868^2 .

It is not a de Polignac number, because 10147689728649 - 2⁴ = 10147689728633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10147689728699) 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 in 35 ways as a sum of consecutive naturals, for example, 780202 + ... + 4572099.

Almost surely, 2^{10147689728649} is an apocalyptic number.

It is an amenable number.

10147689728649 is a deficient number, since it is larger than the sum of its proper divisors (5973005006587).

10147689728649 is a wasteful number, since it uses less digits than its factorization.

10147689728649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5354070 (or 5354056 counting only the distinct ones).

The product of its (nonzero) digits is 292626432, while the sum is 72.

The spelling of 10147689728649 in words is "ten trillion, one hundred forty-seven billion, six hundred eighty-nine million, seven hundred twenty-eight thousand, six hundred forty-nine".