1149245279947 has 2 divisors, whose sum is σ = 1149245279948. Its totient is φ = 1149245279946.

The previous prime is 1149245279813. The next prime is 1149245279983. The reversal of 1149245279947 is 7499725429411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1149245279947 is a prime.

It is a super-3 number, since 3×1149245279947³ (a number of 37 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1149245273947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574622639973 + 574622639974.

It is an arithmetic number, because the mean of its divisors is an integer number (574622639974).

Almost surely, 2^{1149245279947} is an apocalyptic number.

1149245279947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149245279947 is an equidigital number, since it uses as much as digits as its factorization.

1149245279947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45722880, while the sum is 64.

The spelling of 1149245279947 in words is "one trillion, one hundred forty-nine billion, two hundred forty-five million, two hundred seventy-nine thousand, nine hundred forty-seven".