3800072831449 has 4 divisors (see below), whose sum is σ = 3856790336464. Its totient is φ = 3743355326436.

The previous prime is 3800072831407. The next prime is 3800072831459. The reversal of 3800072831449 is 9441382700083.

It is a happy number.

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 3800072831449 - 2¹⁷ = 3800072700377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3800072831459) 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, 28358752407 + ... + 28358752540.

It is an arithmetic number, because the mean of its divisors is an integer number (964197584116).

Almost surely, 2^{3800072831449} is an apocalyptic number.

It is an amenable number.

3800072831449 is a deficient number, since it is larger than the sum of its proper divisors (56717505015).

3800072831449 is an equidigital number, since it uses as much as digits as its factorization.

3800072831449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56717505014.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 3800072831449 in words is "three trillion, eight hundred billion, seventy-two million, eight hundred thirty-one thousand, four hundred forty-nine".