1210648469 has 2 divisors, whose sum is σ = 1210648470. Its totient is φ = 1210648468.

The previous prime is 1210648463. The next prime is 1210648603. The reversal of 1210648469 is 9648460121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 817102225 + 393546244 = 28585^2 + 19838^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210648469 is a prime.

It is a super-2 number, since 2×1210648469² = 2931339430984087922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210648463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605324234 + 605324235.

It is an arithmetic number, because the mean of its divisors is an integer number (605324235).

Almost surely, 2^1210648469 is an apocalyptic number.

It is an amenable number.

1210648469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210648469 is an equidigital number, since it uses as much as digits as its factorization.

1210648469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 1210648469 is about 34794.3740998455. The cubic root of 1210648469 is about 1065.7925636566.

The spelling of 1210648469 in words is "one billion, two hundred ten million, six hundred forty-eight thousand, four hundred sixty-nine".