1630706844428 has 12 divisors (see below), whose sum is σ = 2857506780912. Its totient is φ = 814276335600.

The previous prime is 1630706844407. The next prime is 1630706844433. The reversal of 1630706844428 is 8244486070361.

It is a self number, because there is not a number n which added to its sum of digits gives 1630706844428.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269268248 + ... + 269274303.

It is an arithmetic number, because the mean of its divisors is an integer number (238125565076).

Almost surely, 2^{1630706844428} is an apocalyptic number.

It is an amenable number.

1630706844428 is a deficient number, since it is larger than the sum of its proper divisors (1226799936484).

1630706844428 is a wasteful number, since it uses less digits than its factorization.

1630706844428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538543312 (or 538543310 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 53.

The spelling of 1630706844428 in words is "one trillion, six hundred thirty billion, seven hundred six million, eight hundred forty-four thousand, four hundred twenty-eight".