3718448949 has 4 divisors (see below), whose sum is σ = 4957931936. Its totient is φ = 2478965964.

The previous prime is 3718448897. The next prime is 3718448953. The reversal of 3718448949 is 9498448173.

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 not a de Polignac number, because 3718448949 - 2¹² = 3718444853 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 (3718444949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619741489 + ... + 619741494.

It is an arithmetic number, because the mean of its divisors is an integer number (1239482984).

Almost surely, 2^3718448949 is an apocalyptic number.

It is an amenable number.

3718448949 is a deficient number, since it is larger than the sum of its proper divisors (1239482987).

3718448949 is a wasteful number, since it uses less digits than its factorization.

3718448949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239482986.

The product of its digits is 6967296, while the sum is 57.

The square root of 3718448949 is about 60979.0861607486. The cubic root of 3718448949 is about 1549.2468000604.

The spelling of 3718448949 in words is "three billion, seven hundred eighteen million, four hundred forty-eight thousand, nine hundred forty-nine".