5164377643 has 2 divisors, whose sum is σ = 5164377644. Its totient is φ = 5164377642.

The previous prime is 5164377607. The next prime is 5164377649. The reversal of 5164377643 is 3467734615.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5164377643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5164377593 and 5164377602.

It is not a weakly prime, because it can be changed into another prime (5164377649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2582188821 + 2582188822.

It is an arithmetic number, because the mean of its divisors is an integer number (2582188822).

Almost surely, 2^5164377643 is an apocalyptic number.

5164377643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5164377643 is an equidigital number, since it uses as much as digits as its factorization.

5164377643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 46.

The square root of 5164377643 is about 71863.6044392431. The cubic root of 5164377643 is about 1728.5130554731.

It can be divided in two parts, 51643 and 77643, that added together give a triangular number (129286 = T₅₀₈).

The spelling of 5164377643 in words is "five billion, one hundred sixty-four million, three hundred seventy-seven thousand, six hundred forty-three".