1152438749269 has 2 divisors, whose sum is σ = 1152438749270. Its totient is φ = 1152438749268.

The previous prime is 1152438749261. The next prime is 1152438749327. The reversal of 1152438749269 is 9629478342511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1098492648100 + 53946101169 = 1048090^2 + 232263^2 .

It is a cyclic number.

It is not a de Polignac number, because 1152438749269 - 2³ = 1152438749261 is a prime.

It is a super-2 number, since 2×1152438749269² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1152438749261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576219374634 + 576219374635.

It is an arithmetic number, because the mean of its divisors is an integer number (576219374635).

Almost surely, 2^{1152438749269} is an apocalyptic number.

It is an amenable number.

1152438749269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1152438749269 is an equidigital number, since it uses as much as digits as its factorization.

1152438749269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26127360, while the sum is 61.

The spelling of 1152438749269 in words is "one trillion, one hundred fifty-two billion, four hundred thirty-eight million, seven hundred forty-nine thousand, two hundred sixty-nine".