4153072421 has 24 divisors (see below), whose sum is σ = 4553362080. Its totient is φ = 3776097312.

The previous prime is 4153072379. The next prime is 4153072453. The reversal of 4153072421 is 1242703514.

It is a de Polignac number, because none of the positive numbers 2^k-4153072421 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 (4153072471) 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 23 ways as a sum of consecutive naturals, for example, 2223530 + ... + 2225396.

It is an arithmetic number, because the mean of its divisors is an integer number (189723420).

Almost surely, 2^4153072421 is an apocalyptic number.

It is an amenable number.

4153072421 is a deficient number, since it is larger than the sum of its proper divisors (400289659).

4153072421 is a wasteful number, since it uses less digits than its factorization.

4153072421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033 (or 1986 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 4153072421 is about 64444.3358333376. The cubic root of 4153072421 is about 1607.3970543589.

Adding to 4153072421 its reverse (1242703514), we get a palindrome (5395775935).

The spelling of 4153072421 in words is "four billion, one hundred fifty-three million, seventy-two thousand, four hundred twenty-one".