1612004049001 has 2 divisors, whose sum is σ = 1612004049002. Its totient is φ = 1612004049000.

The previous prime is 1612004048999. The next prime is 1612004049017. The reversal of 1612004049001 is 1009404002161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 942142009600 + 669862039401 = 970640^2 + 818451^2 .

It is a cyclic number.

It is not a de Polignac number, because 1612004049001 - 2¹ = 1612004048999 is a prime.

Together with 1612004048999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1612004046001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806002024500 + 806002024501.

It is an arithmetic number, because the mean of its divisors is an integer number (806002024501).

Almost surely, 2^{1612004049001} is an apocalyptic number.

It is an amenable number.

1612004049001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612004049001 is an equidigital number, since it uses as much as digits as its factorization.

1612004049001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 1612004049001 in words is "one trillion, six hundred twelve billion, four million, forty-nine thousand, one".