1969081031 has 2 divisors, whose sum is σ = 1969081032. Its totient is φ = 1969081030.

The previous prime is 1969081013. The next prime is 1969081039. The reversal of 1969081031 is 1301809691.

Together with previous prime (1969081013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1969081031 - 2¹⁰ = 1969080007 is a prime.

It is a super-2 number, since 2×1969081031² = 7754560213288045922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1969081039) 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, 984540515 + 984540516.

It is an arithmetic number, because the mean of its divisors is an integer number (984540516).

Almost surely, 2^1969081031 is an apocalyptic number.

1969081031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1969081031 is an equidigital number, since it uses as much as digits as its factorization.

1969081031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 1969081031 is about 44374.3285132294. The cubic root of 1969081031 is about 1253.3947256046.

The spelling of 1969081031 in words is "one billion, nine hundred sixty-nine million, eighty-one thousand, thirty-one".