1406141666653 has 2 divisors, whose sum is σ = 1406141666654. Its totient is φ = 1406141666652.

The previous prime is 1406141666513. The next prime is 1406141666687. The reversal of 1406141666653 is 3566661416041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1405604678724 + 536987929 = 1185582^2 + 23173^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406141666653 - 2⁹ = 1406141666141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1406141666597 and 1406141666606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406141666353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703070833326 + 703070833327.

It is an arithmetic number, because the mean of its divisors is an integer number (703070833327).

Almost surely, 2^{1406141666653} is an apocalyptic number.

It is an amenable number.

1406141666653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406141666653 is an equidigital number, since it uses as much as digits as its factorization.

1406141666653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 1406141666653 in words is "one trillion, four hundred six billion, one hundred forty-one million, six hundred sixty-six thousand, six hundred fifty-three".