1418747873 has 2 divisors, whose sum is σ = 1418747874. Its totient is φ = 1418747872.

The previous prime is 1418747867. The next prime is 1418747921. The reversal of 1418747873 is 3787478141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1207423504 + 211324369 = 34748^2 + 14537^2 .

It is a cyclic number.

It is not a de Polignac number, because 1418747873 - 2⁴ = 1418747857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1418747833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709373936 + 709373937.

It is an arithmetic number, because the mean of its divisors is an integer number (709373937).

Almost surely, 2^1418747873 is an apocalyptic number.

It is an amenable number.

1418747873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1418747873 is an equidigital number, since it uses as much as digits as its factorization.

1418747873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1053696, while the sum is 50.

The square root of 1418747873 is about 37666.2696984982. The cubic root of 1418747873 is about 1123.6603967320.

The spelling of 1418747873 in words is "one billion, four hundred eighteen million, seven hundred forty-seven thousand, eight hundred seventy-three".