1493389855 has 8 divisors (see below), whose sum is σ = 1792375200. Its totient is φ = 1194506976.

The previous prime is 1493389831. The next prime is 1493389889. The reversal of 1493389855 is 5589833941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1493389855 - 2⁷ = 1493389727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1493389796 and 1493389805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11286 + ... + 55804.

It is an arithmetic number, because the mean of its divisors is an integer number (224046900).

Almost surely, 2^1493389855 is an apocalyptic number.

1493389855 is a deficient number, since it is larger than the sum of its proper divisors (298985345).

1493389855 is an equidigital number, since it uses as much as digits as its factorization.

1493389855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51233.

The product of its digits is 4665600, while the sum is 55.

The square root of 1493389855 is about 38644.4026347930. The cubic root of 1493389855 is about 1143.0302715880.

The spelling of 1493389855 in words is "one billion, four hundred ninety-three million, three hundred eighty-nine thousand, eight hundred fifty-five".