1493795873 has 4 divisors (see below), whose sum is σ = 1493924628. Its totient is φ = 1493667120.

The previous prime is 1493795867. The next prime is 1493795879. The reversal of 1493795873 is 3785973941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3785973941 = 1151 ⋅3289291.

It is an interprime number because it is at equal distance from previous prime (1493795867) and next prime (1493795879).

It can be written as a sum of positive squares in 2 ways, for example, as 322992784 + 1170803089 = 17972^2 + 34217^2 .

It is a cyclic number.

It is not a de Polignac number, because 1493795873 - 2¹⁰ = 1493794849 is a prime.

It is a super-2 number, since 2×1493795873² = 4462852220383664258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1493795879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45038 + ... + 70823.

It is an arithmetic number, because the mean of its divisors is an integer number (373481157).

Almost surely, 2^1493795873 is an apocalyptic number.

It is an amenable number.

1493795873 is a deficient number, since it is larger than the sum of its proper divisors (128755).

1493795873 is a wasteful number, since it uses less digits than its factorization.

1493795873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128754.

The product of its digits is 5715360, while the sum is 56.

The square root of 1493795873 is about 38649.6555353343. The cubic root of 1493795873 is about 1143.1338499919.

The spelling of 1493795873 in words is "one billion, four hundred ninety-three million, seven hundred ninety-five thousand, eight hundred seventy-three".