1149440753 has 2 divisors, whose sum is σ = 1149440754. Its totient is φ = 1149440752.

The previous prime is 1149440731. The next prime is 1149440807. The reversal of 1149440753 is 3570449411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 739459249 + 409981504 = 27193^2 + 20248^2 .

It is a cyclic number.

It is not a de Polignac number, because 1149440753 - 2¹⁶ = 1149375217 is a prime.

It is a super-3 number, since 3×1149440753³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1149440053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574720376 + 574720377.

It is an arithmetic number, because the mean of its divisors is an integer number (574720377).

Almost surely, 2^1149440753 is an apocalyptic number.

It is an amenable number.

1149440753 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149440753 is an equidigital number, since it uses as much as digits as its factorization.

1149440753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1149440753 is about 33903.4032657490. The cubic root of 1149440753 is about 1047.5196945506.

The spelling of 1149440753 in words is "one billion, one hundred forty-nine million, four hundred forty thousand, seven hundred fifty-three".