6890488543 has 2 divisors, whose sum is σ = 6890488544. Its totient is φ = 6890488542.

The previous prime is 6890488487. The next prime is 6890488573. The reversal of 6890488543 is 3458840986.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6890488543 - 2¹³ = 6890480351 is a prime.

It is a super-2 number, since 2×6890488543² = 94957664722428525698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6890488573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3445244271 + 3445244272.

It is an arithmetic number, because the mean of its divisors is an integer number (3445244272).

Almost surely, 2^6890488543 is an apocalyptic number.

6890488543 is a deficient number, since it is larger than the sum of its proper divisors (1).

6890488543 is an equidigital number, since it uses as much as digits as its factorization.

6890488543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6635520, while the sum is 55.

The square root of 6890488543 is about 83008.9666421646. The cubic root of 6890488543 is about 1902.9030913461.

The spelling of 6890488543 in words is "six billion, eight hundred ninety million, four hundred eighty-eight thousand, five hundred forty-three".