5144353121 has 4 divisors (see below), whose sum is σ = 5368020672. Its totient is φ = 4920685572.

The previous prime is 5144353103. The next prime is 5144353139. The reversal of 5144353121 is 1213534415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1213534415 = 5 ⋅242706883.

It is an interprime number because it is at equal distance from previous prime (5144353103) and next prime (5144353139).

It is a cyclic number.

It is not a de Polignac number, because 5144353121 - 2⁶ = 5144353057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5144353171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111833741 + ... + 111833786.

It is an arithmetic number, because the mean of its divisors is an integer number (1342005168).

Almost surely, 2^5144353121 is an apocalyptic number.

It is an amenable number.

5144353121 is a deficient number, since it is larger than the sum of its proper divisors (223667551).

5144353121 is a wasteful number, since it uses less digits than its factorization.

5144353121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223667550.

The product of its digits is 7200, while the sum is 29.

The square root of 5144353121 is about 71724.1460109495. The cubic root of 5144353121 is about 1726.2760979422.

Adding to 5144353121 its reverse (1213534415), we get a palindrome (6357887536).

The spelling of 5144353121 in words is "five billion, one hundred forty-four million, three hundred fifty-three thousand, one hundred twenty-one".