1049307909791 has 2 divisors, whose sum is σ = 1049307909792. Its totient is φ = 1049307909790.

The previous prime is 1049307909779. The next prime is 1049307909863. The reversal of 1049307909791 is 1979097039401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1049307909791 is a prime.

It is a super-2 number, since 2×1049307909791² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1049307909791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1049307909721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524653954895 + 524653954896.

It is an arithmetic number, because the mean of its divisors is an integer number (524653954896).

Almost surely, 2^{1049307909791} is an apocalyptic number.

1049307909791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049307909791 is an equidigital number, since it uses as much as digits as its factorization.

1049307909791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3857868, while the sum is 59.

The spelling of 1049307909791 in words is "one trillion, forty-nine billion, three hundred seven million, nine hundred nine thousand, seven hundred ninety-one".