1628622343412 has 12 divisors (see below), whose sum is σ = 2851207239300. Its totient is φ = 813991703616.

The previous prime is 1628622343409. The next prime is 1628622343463. The reversal of 1628622343412 is 2143432268261.

It can be written as a sum of positive squares in 2 ways, for example, as 1587816727396 + 40805616016 = 1260086^2 + 202004^2 .

It is a congruent number.

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, 79855553 + ... + 79875944.

It is an arithmetic number, because the mean of its divisors is an integer number (237600603275).

Almost surely, 2^{1628622343412} is an apocalyptic number.

It is an amenable number.

1628622343412 is a deficient number, since it is larger than the sum of its proper divisors (1222584895888).

1628622343412 is a wasteful number, since it uses less digits than its factorization.

1628622343412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159734050 (or 159734048 counting only the distinct ones).

The product of its digits is 663552, while the sum is 44.

The spelling of 1628622343412 in words is "one trillion, six hundred twenty-eight billion, six hundred twenty-two million, three hundred forty-three thousand, four hundred twelve".