445037874044653 has 2 divisors, whose sum is σ = 445037874044654. Its totient is φ = 445037874044652.

The previous prime is 445037874044597. The next prime is 445037874044717. The reversal of 445037874044653 is 356440478730544.

It is an a-pointer prime, because the next prime (445037874044717) can be obtained adding 445037874044653 to its sum of digits (64).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 368250035984964 + 76787838059689 = 19189842^2 + 8762867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445037874044653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445037874044453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222518937022326 + 222518937022327.

It is an arithmetic number, because the mean of its divisors is an integer number (222518937022327).

Almost surely, 2^{445037874044653} is an apocalyptic number.

It is an amenable number.

445037874044653 is a deficient number, since it is larger than the sum of its proper divisors (1).

445037874044653 is an equidigital number, since it uses as much as digits as its factorization.

445037874044653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 541900800, while the sum is 64.

The spelling of 445037874044653 in words is "four hundred forty-five trillion, thirty-seven billion, eight hundred seventy-four million, forty-four thousand, six hundred fifty-three".