6129423409 has 4 divisors (see below), whose sum is σ = 6131980800. Its totient is φ = 6126866020.

The previous prime is 6129423379. The next prime is 6129423527. The reversal of 6129423409 is 9043249216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6129423409 - 2¹³ = 6129415217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6120423409) 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 3 ways as a sum of consecutive naturals, for example, 1275097 + ... + 1279894.

It is an arithmetic number, because the mean of its divisors is an integer number (1532995200).

Almost surely, 2^6129423409 is an apocalyptic number.

It is an amenable number.

6129423409 is a deficient number, since it is larger than the sum of its proper divisors (2557391).

6129423409 is a wasteful number, since it uses less digits than its factorization.

6129423409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557390.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 6129423409 is about 78290.6342355202. The cubic root of 6129423409 is about 1830.0932008830.

The spelling of 6129423409 in words is "six billion, one hundred twenty-nine million, four hundred twenty-three thousand, four hundred nine".