3863752403449 has 3 divisors (see below), whose sum is σ = 3863754369093. Its totient is φ = 3863750437806.

The previous prime is 3863752403447. The next prime is 3863752403461. The reversal of 3863752403449 is 9443042573683.

The square root of 3863752403449 is 1965643.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 3863752403449 - 2¹ = 3863752403447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3863752403393 and 3863752403402.

It is not an unprimeable number, because it can be changed into a prime (3863752403447) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 982822 + ... + 2948464.

It is an arithmetic number, because the mean of its divisors is an integer number (1287918123031).

Almost surely, 2^{3863752403449} is an apocalyptic number.

3863752403449 is the 1965643-rd square number.

3863752403449 is the 982822-nd centered octagonal number.

It is an amenable number.

3863752403449 is a deficient number, since it is larger than the sum of its proper divisors (1965644).

3863752403449 is an frugal number, since it uses more digits than its factorization.

3863752403449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3931286 (or 1965643 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 58.

The spelling of 3863752403449 in words is "three trillion, eight hundred sixty-three billion, seven hundred fifty-two million, four hundred three thousand, four hundred forty-nine".