1463918893 has 2 divisors, whose sum is σ = 1463918894. Its totient is φ = 1463918892.

The previous prime is 1463918873. The next prime is 1463918969. The reversal of 1463918893 is 3988193641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1233273924 + 230644969 = 35118^2 + 15187^2 .

It is an emirp because it is prime and its reverse (3988193641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1463918893 - 2⁹ = 1463918381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1463918893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1463918873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 731959446 + 731959447.

It is an arithmetic number, because the mean of its divisors is an integer number (731959447).

Almost surely, 2^1463918893 is an apocalyptic number.

It is an amenable number.

1463918893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1463918893 is an equidigital number, since it uses as much as digits as its factorization.

1463918893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 52.

The square root of 1463918893 is about 38261.1930420367. The cubic root of 1463918893 is about 1135.4613048472.

The spelling of 1463918893 in words is "one billion, four hundred sixty-three million, nine hundred eighteen thousand, eight hundred ninety-three".