1462645941221 has 2 divisors, whose sum is σ = 1462645941222. Its totient is φ = 1462645941220.

The previous prime is 1462645941161. The next prime is 1462645941259. The reversal of 1462645941221 is 1221495462641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 764769489121 + 697876452100 = 874511^2 + 835390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1462645941221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1462645941271) by changing a digit.

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 as a sum of consecutive naturals, namely, 731322970610 + 731322970611.

It is an arithmetic number, because the mean of its divisors is an integer number (731322970611).

Almost surely, 2^{1462645941221} is an apocalyptic number.

It is an amenable number.

1462645941221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1462645941221 is an equidigital number, since it uses as much as digits as its factorization.

1462645941221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 829440, while the sum is 47.

The spelling of 1462645941221 in words is "one trillion, four hundred sixty-two billion, six hundred forty-five million, nine hundred forty-one thousand, two hundred twenty-one".