1975034869 has 2 divisors, whose sum is σ = 1975034870. Its totient is φ = 1975034868.

The previous prime is 1975034837. The next prime is 1975034917. The reversal of 1975034869 is 9684305791.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1701562500 + 273472369 = 41250^2 + 16537^2 .

It is a cyclic number.

It is not a de Polignac number, because 1975034869 - 2⁵ = 1975034837 is a prime.

It is a super-2 number, since 2×1975034869² = 7801525467531694322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1975035869) 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, 987517434 + 987517435.

It is an arithmetic number, because the mean of its divisors is an integer number (987517435).

Almost surely, 2^1975034869 is an apocalyptic number.

It is an amenable number.

1975034869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1975034869 is an equidigital number, since it uses as much as digits as its factorization.

1975034869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 1975034869 is about 44441.3643917466. The cubic root of 1975034869 is about 1254.6567356939.

The spelling of 1975034869 in words is "one billion, nine hundred seventy-five million, thirty-four thousand, eight hundred sixty-nine".