5408671643 has 2 divisors, whose sum is σ = 5408671644. Its totient is φ = 5408671642.

The previous prime is 5408671627. The next prime is 5408671733. The reversal of 5408671643 is 3461768045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5408671643 - 2⁴ = 5408671627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5408671594 and 5408671603.

It is not a weakly prime, because it can be changed into another prime (5408671343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2704335821 + 2704335822.

It is an arithmetic number, because the mean of its divisors is an integer number (2704335822).

Almost surely, 2^5408671643 is an apocalyptic number.

5408671643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5408671643 is an equidigital number, since it uses as much as digits as its factorization.

5408671643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 5408671643 is about 73543.6716720072. The cubic root of 5408671643 is about 1755.3492531981.

The spelling of 5408671643 in words is "five billion, four hundred eight million, six hundred seventy-one thousand, six hundred forty-three".