4896145221 has 16 divisors (see below), whose sum is σ = 7122915840. Its totient is φ = 2966839920.

The previous prime is 4896145151. The next prime is 4896145223. The reversal of 4896145221 is 1225416984.

It is not a de Polignac number, because 4896145221 - 2¹⁸ = 4895883077 is a prime.

It is a super-2 number, since 2×4896145221² = 47944476050242277682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4896145223) 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, 269016 + ... + 286638.

It is an arithmetic number, because the mean of its divisors is an integer number (445182240).

Almost surely, 2^4896145221 is an apocalyptic number.

It is an amenable number.

4896145221 is a deficient number, since it is larger than the sum of its proper divisors (2226770619).

4896145221 is a wasteful number, since it uses less digits than its factorization.

4896145221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26056.

The product of its digits is 138240, while the sum is 42.

The square root of 4896145221 is about 69972.4604469501. The cubic root of 4896145221 is about 1698.0537381665.

The spelling of 4896145221 in words is "four billion, eight hundred ninety-six million, one hundred forty-five thousand, two hundred twenty-one".