5153433421 has 2 divisors, whose sum is σ = 5153433422. Its totient is φ = 5153433420.

The previous prime is 5153433413. The next prime is 5153433443. The reversal of 5153433421 is 1243343515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2966000521 + 2187432900 = 54461^2 + 46770^2 .

It is a cyclic number.

It is not a de Polignac number, because 5153433421 - 2³ = 5153433413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5153433401) 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 as a sum of consecutive naturals, namely, 2576716710 + 2576716711.

It is an arithmetic number, because the mean of its divisors is an integer number (2576716711).

Almost surely, 2^5153433421 is an apocalyptic number.

It is an amenable number.

5153433421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5153433421 is an equidigital number, since it uses as much as digits as its factorization.

5153433421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 31.

The square root of 5153433421 is about 71787.4182639270. The cubic root of 5153433421 is about 1727.2911845044.

Adding to 5153433421 its reverse (1243343515), we get a palindrome (6396776936).

The spelling of 5153433421 in words is "five billion, one hundred fifty-three million, four hundred thirty-three thousand, four hundred twenty-one".