5156447531429 has 2 divisors, whose sum is σ = 5156447531430. Its totient is φ = 5156447531428.

The previous prime is 5156447531363. The next prime is 5156447531437. The reversal of 5156447531429 is 9241357446515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5100799665025 + 55647866404 = 2258495^2 + 235898^2 .

It is a cyclic number.

It is not a de Polignac number, because 5156447531429 - 2¹⁶ = 5156447465893 is a prime.

It is a super-2 number, since 2×5156447531429² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5156447531029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578223765714 + 2578223765715.

It is an arithmetic number, because the mean of its divisors is an integer number (2578223765715).

Almost surely, 2^{5156447531429} is an apocalyptic number.

It is an amenable number.

5156447531429 is a deficient number, since it is larger than the sum of its proper divisors (1).

5156447531429 is an equidigital number, since it uses as much as digits as its factorization.

5156447531429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144000, while the sum is 56.

The spelling of 5156447531429 in words is "five trillion, one hundred fifty-six billion, four hundred forty-seven million, five hundred thirty-one thousand, four hundred twenty-nine".