1493895673 has 8 divisors (see below), whose sum is σ = 1567367936. Its totient is φ = 1422003600.

The previous prime is 1493895649. The next prime is 1493895677. The reversal of 1493895673 is 3765983941.

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 1493895673 - 2²¹ = 1491798521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1493895677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393111 + ... + 396892.

It is an arithmetic number, because the mean of its divisors is an integer number (195920992).

Almost surely, 2^1493895673 is an apocalyptic number.

It is an amenable number.

1493895673 is a deficient number, since it is larger than the sum of its proper divisors (73472263).

1493895673 is an equidigital number, since it uses as much as digits as its factorization.

1493895673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790095.

The product of its digits is 4898880, while the sum is 55.

The square root of 1493895673 is about 38650.9465990162. The cubic root of 1493895673 is about 1143.1593068877.

The spelling of 1493895673 in words is "one billion, four hundred ninety-three million, eight hundred ninety-five thousand, six hundred seventy-three".