1047039942949 has 216 divisors, whose sum is σ = 1498308840000. Its totient is φ = 728353866240.

The previous prime is 1047039942947. The next prime is 1047039942959. The reversal of 1047039942949 is 9492499307401.

It is not a de Polignac number, because 1047039942949 - 2¹ = 1047039942947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047039942947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 5261507152 + ... + 5261507350.

It is an arithmetic number, because the mean of its divisors is an integer number (6936615000).

Almost surely, 2^{1047039942949} is an apocalyptic number.

It is an amenable number.

1047039942949 is a deficient number, since it is larger than the sum of its proper divisors (451268897051).

1047039942949 is a wasteful number, since it uses less digits than its factorization.

1047039942949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 61.

The spelling of 1047039942949 in words is "one trillion, forty-seven billion, thirty-nine million, nine hundred forty-two thousand, nine hundred forty-nine".