8464402543 has 2 divisors, whose sum is σ = 8464402544. Its totient is φ = 8464402542.

The previous prime is 8464402501. The next prime is 8464402547. The reversal of 8464402543 is 3452044648.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8464402543 - 2²¹ = 8462305391 is a prime.

It is a super-2 number, since 2×8464402543² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8464402496 and 8464402505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8464402547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4232201271 + 4232201272.

It is an arithmetic number, because the mean of its divisors is an integer number (4232201272).

Almost surely, 2^8464402543 is an apocalyptic number.

8464402543 is a deficient number, since it is larger than the sum of its proper divisors (1).

8464402543 is an equidigital number, since it uses as much as digits as its factorization.

8464402543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 368640, while the sum is 40.

The square root of 8464402543 is about 92002.1877076844. The cubic root of 8464402543 is about 2037.9746128000.

The spelling of 8464402543 in words is "eight billion, four hundred sixty-four million, four hundred two thousand, five hundred forty-three".