1627416493 has 2 divisors, whose sum is σ = 1627416494. Its totient is φ = 1627416492.

The previous prime is 1627416491. The next prime is 1627416509. The reversal of 1627416493 is 3946147261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1624654249 + 2762244 = 40307^2 + 1662^2 .

It is a cyclic number.

It is not a de Polignac number, because 1627416493 - 2¹ = 1627416491 is a prime.

Together with 1627416491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1627416491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 813708246 + 813708247.

It is an arithmetic number, because the mean of its divisors is an integer number (813708247).

Almost surely, 2^1627416493 is an apocalyptic number.

It is an amenable number.

1627416493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1627416493 is an equidigital number, since it uses as much as digits as its factorization.

1627416493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 1627416493 is about 40341.2505135872. The cubic root of 1627416493 is about 1176.2498227968.

The spelling of 1627416493 in words is "one billion, six hundred twenty-seven million, four hundred sixteen thousand, four hundred ninety-three".