1149378637049 has 2 divisors, whose sum is σ = 1149378637050. Its totient is φ = 1149378637048.

The previous prime is 1149378637027. The next prime is 1149378637051. The reversal of 1149378637049 is 9407368739411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885305982649 + 264072654400 = 940907^2 + 513880^2 .

It is a cyclic number.

It is not a de Polignac number, because 1149378637049 - 2²⁰ = 1149377588473 is a prime.

Together with 1149378637051, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1149378636982 and 1149378637000.

It is not a weakly prime, because it can be changed into another prime (1149378637249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574689318524 + 574689318525.

It is an arithmetic number, because the mean of its divisors is an integer number (574689318525).

Almost surely, 2^{1149378637049} is an apocalyptic number.

It is an amenable number.

1149378637049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149378637049 is an equidigital number, since it uses as much as digits as its factorization.

1149378637049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27433728, while the sum is 62.

The spelling of 1149378637049 in words is "one trillion, one hundred forty-nine billion, three hundred seventy-eight million, six hundred thirty-seven thousand, forty-nine".