1630052669 has 12 divisors (see below), whose sum is σ = 1897238844. Its totient is φ = 1396410624.

The previous prime is 1630052653. The next prime is 1630052737. The reversal of 1630052669 is 9662500361.

It can be written as a sum of positive squares in 2 ways, for example, as 622752025 + 1007300644 = 24955^2 + 31738^2 .

It is not a de Polignac number, because 1630052669 - 2⁴ = 1630052653 is a prime.

It is a super-2 number, since 2×1630052669² = 5314143407428047122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630052609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90587 + ... + 107079.

It is an arithmetic number, because the mean of its divisors is an integer number (158103237).

Almost surely, 2^1630052669 is an apocalyptic number.

It is an amenable number.

1630052669 is a deficient number, since it is larger than the sum of its proper divisors (267186175).

1630052669 is a wasteful number, since it uses less digits than its factorization.

1630052669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18524 (or 18517 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 1630052669 is about 40373.9107469168. The cubic root of 1630052669 is about 1176.8845975641.

The spelling of 1630052669 in words is "one billion, six hundred thirty million, fifty-two thousand, six hundred sixty-nine".