329674263849 has 18 divisors (see below), whose sum is σ = 553942471290. Its totient is φ = 188385293376.

The previous prime is 329674263839. The next prime is 329674263851. The reversal of 329674263849 is 948362476923.

329674263849 is a `hidden beast` number, since 3 + 296 + 7 + 4 + 263 + 84 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 310510845225 + 19163418624 = 557235^2 + 138432^2 .

It is not a de Polignac number, because 329674263849 - 2²⁰ = 329673215273 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 (329674263839) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 373779904 + ... + 373780785.

Almost surely, 2^329674263849 is an apocalyptic number.

It is an amenable number.

329674263849 is a deficient number, since it is larger than the sum of its proper divisors (224268207441).

329674263849 is a wasteful number, since it uses less digits than its factorization.

329674263849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747560709 (or 747560699 counting only the distinct ones).

The product of its digits is 94058496, while the sum is 63.

The spelling of 329674263849 in words is "three hundred twenty-nine billion, six hundred seventy-four million, two hundred sixty-three thousand, eight hundred forty-nine".