1084909261831 has 2 divisors, whose sum is σ = 1084909261832. Its totient is φ = 1084909261830.

The previous prime is 1084909261811. The next prime is 1084909261871. The reversal of 1084909261831 is 1381629094801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1084909261831 - 2¹⁹ = 1084908737543 is a prime.

It is a super-2 number, since 2×1084909261831² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1084909261811) 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 as a sum of consecutive naturals, namely, 542454630915 + 542454630916.

It is an arithmetic number, because the mean of its divisors is an integer number (542454630916).

Almost surely, 2^{1084909261831} is an apocalyptic number.

1084909261831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084909261831 is an equidigital number, since it uses as much as digits as its factorization.

1084909261831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 52.

The spelling of 1084909261831 in words is "one trillion, eighty-four billion, nine hundred nine million, two hundred sixty-one thousand, eight hundred thirty-one".