3729486959217 has 12 divisors (see below), whose sum is σ = 5396994279924. Its totient is φ = 2481728842080.

The previous prime is 3729486959201. The next prime is 3729486959221. The reversal of 3729486959217 is 7129596849273.

3729486959217 is a `hidden beast` number, since 3 + 7 + 29 + 4 + 8 + 6 + 9 + 592 + 1 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 454965089121 + 3274521870096 = 674511^2 + 1809564^2 .

It is not a de Polignac number, because 3729486959217 - 2⁴ = 3729486959201 is a prime.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3729486959257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382977978 + ... + 382987715.

It is an arithmetic number, because the mean of its divisors is an integer number (449749523327).

Almost surely, 2^{3729486959217} is an apocalyptic number.

It is an amenable number.

3729486959217 is a deficient number, since it is larger than the sum of its proper divisors (1667507320707).

3729486959217 is a wasteful number, since it uses less digits than its factorization.

3729486959217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765966240 (or 765966237 counting only the distinct ones).

The product of its digits is 411505920, while the sum is 72.

The spelling of 3729486959217 in words is "three trillion, seven hundred twenty-nine billion, four hundred eighty-six million, nine hundred fifty-nine thousand, two hundred seventeen".