1493584049 has 4 divisors (see below), whose sum is σ = 1493701440. Its totient is φ = 1493466660.

The previous prime is 1493584021. The next prime is 1493584063. The reversal of 1493584049 is 9404853941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9404853941 = 7 ⋅1343550563.

It is a cyclic number.

It is not a de Polignac number, because 1493584049 - 2¹⁶ = 1493518513 is a prime.

It is a super-2 number, since 2×1493584049² = 4461586622854468802, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1493583994 and 1493584012.

It is not an unprimeable number, because it can be changed into a prime (1493586049) 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, 36917 + ... + 65954.

It is an arithmetic number, because the mean of its divisors is an integer number (373425360).

Almost surely, 2^1493584049 is an apocalyptic number.

It is an amenable number.

1493584049 is a deficient number, since it is larger than the sum of its proper divisors (117391).

1493584049 is a wasteful number, since it uses less digits than its factorization.

1493584049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117390.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 1493584049 is about 38646.9151291536. The cubic root of 1493584049 is about 1143.0798143557.

The spelling of 1493584049 in words is "one billion, four hundred ninety-three million, five hundred eighty-four thousand, forty-nine".