3738514221 has 12 divisors (see below), whose sum is σ = 5815466748. Its totient is φ = 2300624064.

The previous prime is 3738514211. The next prime is 3738514237. The reversal of 3738514221 is 1224158373.

It can be written as a sum of positive squares in 2 ways, for example, as 2110391721 + 1628122500 = 45939^2 + 40350^2 .

It is not a de Polignac number, because 3738514221 - 2⁵ = 3738514189 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3738514211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15976440 + ... + 15976673.

It is an arithmetic number, because the mean of its divisors is an integer number (484622229).

Almost surely, 2^3738514221 is an apocalyptic number.

It is an amenable number.

3738514221 is a deficient number, since it is larger than the sum of its proper divisors (2076952527).

3738514221 is a wasteful number, since it uses less digits than its factorization.

3738514221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31953132 (or 31953129 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 3738514221 is about 61143.3906567178. The cubic root of 3738514221 is about 1552.0284536457.

The spelling of 3738514221 in words is "three billion, seven hundred thirty-eight million, five hundred fourteen thousand, two hundred twenty-one".