54343456789 has 2 divisors, whose sum is σ = 54343456790. Its totient is φ = 54343456788.

The previous prime is 54343456781. The next prime is 54343456813. The reversal of 54343456789 is 98765434345.

54343456789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

54343456789 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48671860689 + 5671596100 = 220617^2 + 75310^2 .

It is a cyclic number.

It is not a de Polignac number, because 54343456789 - 2³ = 54343456781 is a prime.

It is a super-2 number, since 2×54343456789² (a number of 22 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54343456781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27171728394 + 27171728395.

It is an arithmetic number, because the mean of its divisors is an integer number (27171728395).

Almost surely, 2^54343456789 is an apocalyptic number.

It is an amenable number.

54343456789 is a deficient number, since it is larger than the sum of its proper divisors (1).

54343456789 is an equidigital number, since it uses as much as digits as its factorization.

54343456789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43545600, while the sum is 58.

The spelling of 54343456789 in words is "fifty-four billion, three hundred forty-three million, four hundred fifty-six thousand, seven hundred eighty-nine".