5420861843 has 2 divisors, whose sum is σ = 5420861844. Its totient is φ = 5420861842.

The previous prime is 5420861839. The next prime is 5420861851. The reversal of 5420861843 is 3481680245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5420861843 - 2² = 5420861839 is a prime.

It is a super-3 number, since 3×5420861843³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5420861843.

It is not a weakly prime, because it can be changed into another prime (5420861833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710430921 + 2710430922.

It is an arithmetic number, because the mean of its divisors is an integer number (2710430922).

Almost surely, 2^5420861843 is an apocalyptic number.

5420861843 is a deficient number, since it is larger than the sum of its proper divisors (1).

5420861843 is an equidigital number, since it uses as much as digits as its factorization.

5420861843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 41.

The square root of 5420861843 is about 73626.5023140445. The cubic root of 5420861843 is about 1756.6670137715.

The spelling of 5420861843 in words is "five billion, four hundred twenty million, eight hundred sixty-one thousand, eight hundred forty-three".