3992495249 has 8 divisors (see below), whose sum is σ = 4169901120. Its totient is φ = 3818747376.

The previous prime is 3992495179. The next prime is 3992495263. The reversal of 3992495249 is 9425942993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3992495249 - 2¹⁶ = 3992429713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3992495194 and 3992495203.

It is not an unprimeable number, because it can be changed into a prime (3992495149) 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 in 7 ways as a sum of consecutive naturals, for example, 912269 + ... + 916634.

It is an arithmetic number, because the mean of its divisors is an integer number (521237640).

Almost surely, 2^3992495249 is an apocalyptic number.

It is an amenable number.

3992495249 is a deficient number, since it is larger than the sum of its proper divisors (177405871).

3992495249 is a wasteful number, since it uses less digits than its factorization.

3992495249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828999.

The product of its digits is 6298560, while the sum is 56.

The square root of 3992495249 is about 63186.1950824703. The cubic root of 3992495249 is about 1586.4076763198.

The spelling of 3992495249 in words is "three billion, nine hundred ninety-two million, four hundred ninety-five thousand, two hundred forty-nine".