5144613989 has 2 divisors, whose sum is σ = 5144613990. Its totient is φ = 5144613988.

The previous prime is 5144613923. The next prime is 5144613997. The reversal of 5144613989 is 9893164415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4219541764 + 925072225 = 64958^2 + 30415^2 .

It is a cyclic number.

It is not a de Polignac number, because 5144613989 - 2²⁴ = 5127836773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5144613919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572306994 + 2572306995.

It is an arithmetic number, because the mean of its divisors is an integer number (2572306995).

Almost surely, 2^5144613989 is an apocalyptic number.

It is an amenable number.

5144613989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5144613989 is an equidigital number, since it uses as much as digits as its factorization.

5144613989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 50.

The square root of 5144613989 is about 71725.9645386522. The cubic root of 5144613989 is about 1726.3052770292.

The spelling of 5144613989 in words is "five billion, one hundred forty-four million, six hundred thirteen thousand, nine hundred eighty-nine".