5144351461 has 4 divisors (see below), whose sum is σ = 5144608332. Its totient is φ = 5144094592.

The previous prime is 5144351449. The next prime is 5144351533. The reversal of 5144351461 is 1641534415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1475020836 + 3669330625 = 38406^2 + 60575^2 .

It is a cyclic number.

It is not a de Polignac number, because 5144351461 - 2³¹ = 2996867813 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 (5144351431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95596 + ... + 139381.

It is an arithmetic number, because the mean of its divisors is an integer number (1286152083).

Almost surely, 2^5144351461 is an apocalyptic number.

It is an amenable number.

5144351461 is a deficient number, since it is larger than the sum of its proper divisors (256871).

5144351461 is a wasteful number, since it uses less digits than its factorization.

5144351461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256870.

The product of its digits is 28800, while the sum is 34.

The square root of 5144351461 is about 71724.1344388345. The cubic root of 5144351461 is about 1726.2759122617.

Adding to 5144351461 its reverse (1641534415), we get a palindrome (6785885876).

The spelling of 5144351461 in words is "five billion, one hundred forty-four million, three hundred fifty-one thousand, four hundred sixty-one".