1493144695249 has 9 divisors (see below), whose sum is σ = 1586165393947. Its totient is φ = 1405293103264.

The previous prime is 1493144695201. The next prime is 1493144695267. The reversal of 1493144695249 is 9425964413941.

It is a happy number.

The square root of 1493144695249 is 1221943.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1162482894225 + 330661801024 = 1078185^2 + 575032^2 .

It is not a de Polignac number, because 1493144695249 - 2³⁷ = 1355705741777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1493144695349) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20737092 + ... + 20808970.

Almost surely, 2^{1493144695249} is an apocalyptic number.

1493144695249 is the 1221943-rd square number.

1493144695249 is the 610972-nd centered octagonal number.

It is an amenable number.

1493144695249 is a deficient number, since it is larger than the sum of its proper divisors (93020698698).

1493144695249 is an frugal number, since it uses more digits than its factorization.

1493144695249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143792 (or 71896 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 61.

The spelling of 1493144695249 in words is "one trillion, four hundred ninety-three billion, one hundred forty-four million, six hundred ninety-five thousand, two hundred forty-nine".