3754648221 has 16 divisors (see below), whose sum is σ = 5043984000. Its totient is φ = 2484269568.

The previous prime is 3754648189. The next prime is 3754648229. The reversal of 3754648221 is 1228464573.

It is not a de Polignac number, because 3754648221 - 2⁵ = 3754648189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3754648229) 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, 236485 + ... + 251861.

It is an arithmetic number, because the mean of its divisors is an integer number (315249000).

Almost surely, 2^3754648221 is an apocalyptic number.

It is an amenable number.

3754648221 is a deficient number, since it is larger than the sum of its proper divisors (1289335779).

3754648221 is a wasteful number, since it uses less digits than its factorization.

3754648221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15988.

The product of its digits is 322560, while the sum is 42.

The square root of 3754648221 is about 61275.1843816075. The cubic root of 3754648221 is about 1554.2579036418.

The spelling of 3754648221 in words is "three billion, seven hundred fifty-four million, six hundred forty-eight thousand, two hundred twenty-one".