2152421064403 has 2 divisors, whose sum is σ = 2152421064404. Its totient is φ = 2152421064402.

The previous prime is 2152421064383. The next prime is 2152421064427. The reversal of 2152421064403 is 3044601242512.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2152421064403 is a prime.

It is not a weakly prime, because it can be changed into another prime (2152421064103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076210532201 + 1076210532202.

It is an arithmetic number, because the mean of its divisors is an integer number (1076210532202).

Almost surely, 2^{2152421064403} is an apocalyptic number.

2152421064403 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152421064403 is an equidigital number, since it uses as much as digits as its factorization.

2152421064403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 2152421064403 in words is "two trillion, one hundred fifty-two billion, four hundred twenty-one million, sixty-four thousand, four hundred three".