1493489949 has 16 divisors (see below), whose sum is σ = 2276774400. Its totient is φ = 853055280.

The previous prime is 1493489911. The next prime is 1493489971. The reversal of 1493489949 is 9499843941.

It is a happy number.

It is not a de Polignac number, because 1493489949 - 2⁸ = 1493489693 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1493489892 and 1493489901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493489149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39102 + ... + 67200.

It is an arithmetic number, because the mean of its divisors is an integer number (142298400).

Almost surely, 2^1493489949 is an apocalyptic number.

It is an amenable number.

1493489949 is a deficient number, since it is larger than the sum of its proper divisors (783284451).

1493489949 is a wasteful number, since it uses less digits than its factorization.

1493489949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30640.

The product of its digits is 10077696, while the sum is 60.

The square root of 1493489949 is about 38645.6976777493. The cubic root of 1493489949 is about 1143.0558081027.

The spelling of 1493489949 in words is "one billion, four hundred ninety-three million, four hundred eighty-nine thousand, nine hundred forty-nine".