1149490197873 has 24 divisors (see below), whose sum is σ = 1676888089760. Its totient is φ = 758742888960.

The previous prime is 1149490197833. The next prime is 1149490197887. The reversal of 1149490197873 is 3787910949411.

1149490197873 is a `hidden beast` number, since 1 + 1 + 4 + 9 + 490 + 1 + 9 + 78 + 73 = 666.

It is not a de Polignac number, because 1149490197873 - 2¹⁰ = 1149490196849 is a prime.

It is a super-2 number, since 2×1149490197873² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1149490197873.

It is not an unprimeable number, because it can be changed into a prime (1149490197833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1201663 + ... + 1934676.

Almost surely, 2^{1149490197873} is an apocalyptic number.

It is an amenable number.

1149490197873 is a deficient number, since it is larger than the sum of its proper divisors (527397891887).

1149490197873 is a wasteful number, since it uses less digits than its factorization.

1149490197873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136749 (or 3136746 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 63.

The spelling of 1149490197873 in words is "one trillion, one hundred forty-nine billion, four hundred ninety million, one hundred ninety-seven thousand, eight hundred seventy-three".