4238308973909 has 4 divisors (see below), whose sum is σ = 4238367179904. Its totient is φ = 4238250767916.

The previous prime is 4238308973881. The next prime is 4238308973917. The reversal of 4238308973909 is 9093798038324.

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 4238308973909 - 2¹² = 4238308969813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238308973929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28993637 + ... + 29139450.

It is an arithmetic number, because the mean of its divisors is an integer number (1059591794976).

Almost surely, 2^{4238308973909} is an apocalyptic number.

It is an amenable number.

4238308973909 is a deficient number, since it is larger than the sum of its proper divisors (58205995).

4238308973909 is an equidigital number, since it uses as much as digits as its factorization.

4238308973909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58205994.

The product of its (nonzero) digits is 70543872, while the sum is 65.

The spelling of 4238308973909 in words is "four trillion, two hundred thirty-eight billion, three hundred eight million, nine hundred seventy-three thousand, nine hundred nine".