1627242667 has 2 divisors, whose sum is σ = 1627242668. Its totient is φ = 1627242666.

The previous prime is 1627242641. The next prime is 1627242677. The reversal of 1627242667 is 7662427261.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1627242667 is a prime.

It is not a weakly prime, because it can be changed into another prime (1627242677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 813621333 + 813621334.

It is an arithmetic number, because the mean of its divisors is an integer number (813621334).

Almost surely, 2^1627242667 is an apocalyptic number.

1627242667 is a deficient number, since it is larger than the sum of its proper divisors (1).

1627242667 is an equidigital number, since it uses as much as digits as its factorization.

1627242667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 43.

The square root of 1627242667 is about 40339.0960111899. The cubic root of 1627242667 is about 1176.2079424950.

The spelling of 1627242667 in words is "one billion, six hundred twenty-seven million, two hundred forty-two thousand, six hundred sixty-seven".