3849999451 has 2 divisors, whose sum is σ = 3849999452. Its totient is φ = 3849999450.

The previous prime is 3849999437. The next prime is 3849999529. The reversal of 3849999451 is 1549999483.

It is a weak prime.

It is an emirp because it is prime and its reverse (1549999483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3849999451 - 2¹⁵ = 3849966683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3849999451.

It is not a weakly prime, because it can be changed into another prime (3849994451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1924999725 + 1924999726.

It is an arithmetic number, because the mean of its divisors is an integer number (1924999726).

Almost surely, 2^3849999451 is an apocalyptic number.

3849999451 is a deficient number, since it is larger than the sum of its proper divisors (1).

3849999451 is an equidigital number, since it uses as much as digits as its factorization.

3849999451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12597120, while the sum is 61.

The square root of 3849999451 is about 62048.3638059861. The cubic root of 3849999451 is about 1567.3051327428.

The spelling of 3849999451 in words is "three billion, eight hundred forty-nine million, nine hundred ninety-nine thousand, four hundred fifty-one".