6740422487 has 2 divisors, whose sum is σ = 6740422488. Its totient is φ = 6740422486.

The previous prime is 6740422471. The next prime is 6740422489. The reversal of 6740422487 is 7842240476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6740422487 - 2⁴ = 6740422471 is a prime.

Together with 6740422489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6740422489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3370211243 + 3370211244.

It is an arithmetic number, because the mean of its divisors is an integer number (3370211244).

Almost surely, 2^6740422487 is an apocalyptic number.

6740422487 is a deficient number, since it is larger than the sum of its proper divisors (1).

6740422487 is an equidigital number, since it uses as much as digits as its factorization.

6740422487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 602112, while the sum is 44.

The square root of 6740422487 is about 82100.0760474678. The cubic root of 6740422487 is about 1888.9873065500.

The spelling of 6740422487 in words is "six billion, seven hundred forty million, four hundred twenty-two thousand, four hundred eighty-seven".