2038722447 has 4 divisors (see below), whose sum is σ = 2718296600. Its totient is φ = 1359148296.

The previous prime is 2038722397. The next prime is 2038722457. The reversal of 2038722447 is 7442278302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2038722447 - 2¹⁹ = 2038198159 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 (2038722457) 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, 339787072 + ... + 339787077.

It is an arithmetic number, because the mean of its divisors is an integer number (679574150).

Almost surely, 2^2038722447 is an apocalyptic number.

2038722447 is a deficient number, since it is larger than the sum of its proper divisors (679574153).

2038722447 is an equidigital number, since it uses as much as digits as its factorization.

2038722447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679574152.

The product of its (nonzero) digits is 150528, while the sum is 39.

The square root of 2038722447 is about 45152.2141981985. The cubic root of 2038722447 is about 1268.0003348210. Note that the first 3 decimals are identical.

The spelling of 2038722447 in words is "two billion, thirty-eight million, seven hundred twenty-two thousand, four hundred forty-seven".