3851047449 has 16 divisors (see below), whose sum is σ = 5837937600. Its totient is φ = 2507658048.

The previous prime is 3851047427. The next prime is 3851047457. The reversal of 3851047449 is 9447401583.

It is not a de Polignac number, because 3851047449 - 2¹⁵ = 3851014681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3851045449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1657344 + ... + 1659665.

It is an arithmetic number, because the mean of its divisors is an integer number (364871100).

Almost surely, 2^3851047449 is an apocalyptic number.

It is an amenable number.

3851047449 is a deficient number, since it is larger than the sum of its proper divisors (1986890151).

3851047449 is a wasteful number, since it uses less digits than its factorization.

3851047449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317061 (or 3317055 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 3851047449 is about 62056.8082405146. The cubic root of 3851047449 is about 1567.4473304800.

The spelling of 3851047449 in words is "three billion, eight hundred fifty-one million, forty-seven thousand, four hundred forty-nine".