1143480267949 has 2 divisors, whose sum is σ = 1143480267950. Its totient is φ = 1143480267948.

The previous prime is 1143480267889. The next prime is 1143480267997. The reversal of 1143480267949 is 9497620843411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 935005839849 + 208474428100 = 966957^2 + 456590^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143480267949 - 2²⁵ = 1143446713517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1143480267893 and 1143480267902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143480267049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571740133974 + 571740133975.

It is an arithmetic number, because the mean of its divisors is an integer number (571740133975).

Almost surely, 2^{1143480267949} is an apocalyptic number.

It is an amenable number.

1143480267949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143480267949 is an equidigital number, since it uses as much as digits as its factorization.

1143480267949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 1143480267949 in words is "one trillion, one hundred forty-three billion, four hundred eighty million, two hundred sixty-seven thousand, nine hundred forty-nine".