1418773673 has 2 divisors, whose sum is σ = 1418773674. Its totient is φ = 1418773672.

The previous prime is 1418773667. The next prime is 1418773693. The reversal of 1418773673 is 3763778141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 818131609 + 600642064 = 28603^2 + 24508^2 .

It is a cyclic number.

It is not a de Polignac number, because 1418773673 - 2¹⁸ = 1418511529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1418773663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709386836 + 709386837.

It is an arithmetic number, because the mean of its divisors is an integer number (709386837).

Almost surely, 2^1418773673 is an apocalyptic number.

It is an amenable number.

1418773673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1418773673 is an equidigital number, since it uses as much as digits as its factorization.

1418773673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 47.

The square root of 1418773673 is about 37666.6121784267. The cubic root of 1418773673 is about 1123.6672079640.

The spelling of 1418773673 in words is "one billion, four hundred eighteen million, seven hundred seventy-three thousand, six hundred seventy-three".