5144040402169 has 2 divisors, whose sum is σ = 5144040402170. Its totient is φ = 5144040402168.

The previous prime is 5144040402107. The next prime is 5144040402269. The reversal of 5144040402169 is 9612040404415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3457647275625 + 1686393126544 = 1859475^2 + 1298612^2 .

It is a cyclic number.

It is not a de Polignac number, because 5144040402169 - 2¹⁵ = 5144040369401 is a prime.

It is a super-2 number, since 2×5144040402169² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5144040402269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572020201084 + 2572020201085.

It is an arithmetic number, because the mean of its divisors is an integer number (2572020201085).

Almost surely, 2^{5144040402169} is an apocalyptic number.

It is an amenable number.

5144040402169 is a deficient number, since it is larger than the sum of its proper divisors (1).

5144040402169 is an equidigital number, since it uses as much as digits as its factorization.

5144040402169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 5144040402169 in words is "five trillion, one hundred forty-four billion, forty million, four hundred two thousand, one hundred sixty-nine".