6674745487 has 2 divisors, whose sum is σ = 6674745488. Its totient is φ = 6674745486.

The previous prime is 6674745481. The next prime is 6674745503. The reversal of 6674745487 is 7845474766.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6674745487 - 2³¹ = 4527261839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6674745481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3337372743 + 3337372744.

It is an arithmetic number, because the mean of its divisors is an integer number (3337372744).

Almost surely, 2^6674745487 is an apocalyptic number.

6674745487 is a deficient number, since it is larger than the sum of its proper divisors (1).

6674745487 is an equidigital number, since it uses as much as digits as its factorization.

6674745487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31610880, while the sum is 58.

The square root of 6674745487 is about 81699.1155827283. The cubic root of 6674745487 is about 1882.8319969745.

The spelling of 6674745487 in words is "six billion, six hundred seventy-four million, seven hundred forty-five thousand, four hundred eighty-seven".