1020275229469 has 2 divisors, whose sum is σ = 1020275229470. Its totient is φ = 1020275229468.

The previous prime is 1020275229461. The next prime is 1020275229503. The reversal of 1020275229469 is 9649225720201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 630693282244 + 389581947225 = 794162^2 + 624165^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020275229469 - 2³ = 1020275229461 is a prime.

It is a super-2 number, since 2×1020275229469² (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 (1020275229461) 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, 510137614734 + 510137614735.

It is an arithmetic number, because the mean of its divisors is an integer number (510137614735).

Almost surely, 2^{1020275229469} is an apocalyptic number.

It is an amenable number.

1020275229469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020275229469 is an equidigital number, since it uses as much as digits as its factorization.

1020275229469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The spelling of 1020275229469 in words is "one trillion, twenty billion, two hundred seventy-five million, two hundred twenty-nine thousand, four hundred sixty-nine".