4992131409 has 8 divisors (see below), whose sum is σ = 6656539872. Its totient is φ = 3327905280.

The previous prime is 4992131401. The next prime is 4992131411. The reversal of 4992131409 is 9041312994.

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

It is not a de Polignac number, because 4992131409 - 2³ = 4992131401 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4992131401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42769 + ... + 108689.

It is an arithmetic number, because the mean of its divisors is an integer number (832067484).

Almost surely, 2^4992131409 is an apocalyptic number.

It is an amenable number.

4992131409 is a deficient number, since it is larger than the sum of its proper divisors (1664408463).

4992131409 is a wasteful number, since it uses less digits than its factorization.

4992131409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91167.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 4992131409 is about 70655.0168707078. The cubic root of 4992131409 is about 1709.0784689633.

The spelling of 4992131409 in words is "four billion, nine hundred ninety-two million, one hundred thirty-one thousand, four hundred nine".