5143677421 has 2 divisors, whose sum is σ = 5143677422. Its totient is φ = 5143677420.

The previous prime is 5143677379. The next prime is 5143677443. The reversal of 5143677421 is 1247763415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2725988521 + 2417688900 = 52211^2 + 49170^2 .

It is a cyclic number.

It is not a de Polignac number, because 5143677421 - 2¹¹ = 5143675373 is a prime.

It is a super-2 number, since 2×5143677421² = 52914834822610422482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5143677521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2571838710 + 2571838711.

It is an arithmetic number, because the mean of its divisors is an integer number (2571838711).

Almost surely, 2^5143677421 is an apocalyptic number.

It is an amenable number.

5143677421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5143677421 is an equidigital number, since it uses as much as digits as its factorization.

5143677421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The square root of 5143677421 is about 71719.4354481406. The cubic root of 5143677421 is about 1726.2005137171.

The spelling of 5143677421 in words is "five billion, one hundred forty-three million, six hundred seventy-seven thousand, four hundred twenty-one".