2538429909 has 12 divisors (see below), whose sum is σ = 3457400256. Its totient is φ = 1655890152.

The previous prime is 2538429889. The next prime is 2538429941. The reversal of 2538429909 is 9099248352.

It is a happy number.

It is not a de Polignac number, because 2538429909 - 2¹⁶ = 2538364373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538429979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 596142 + ... + 600384.

It is an arithmetic number, because the mean of its divisors is an integer number (288116688).

Almost surely, 2^2538429909 is an apocalyptic number.

It is an amenable number.

2538429909 is a deficient number, since it is larger than the sum of its proper divisors (918970347).

2538429909 is an frugal number, since it uses more digits than its factorization.

2538429909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8536 (or 4293 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 2538429909 is about 50382.8334753019. The cubic root of 2538429909 is about 1364.1277971335.

The spelling of 2538429909 in words is "two billion, five hundred thirty-eight million, four hundred twenty-nine thousand, nine hundred nine".