4405140204497 has 2 divisors, whose sum is σ = 4405140204498. Its totient is φ = 4405140204496.

The previous prime is 4405140204481. The next prime is 4405140204541. The reversal of 4405140204497 is 7944020415044.

It is an a-pointer prime, because the next prime (4405140204541) can be obtained adding 4405140204497 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4379682087361 + 25458117136 = 2092769^2 + 159556^2 .

It is a cyclic number.

It is not a de Polignac number, because 4405140204497 - 2⁴ = 4405140204481 is a prime.

It is not a weakly prime, because it can be changed into another prime (4405149204497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202570102248 + 2202570102249.

It is an arithmetic number, because the mean of its divisors is an integer number (2202570102249).

Almost surely, 2^{4405140204497} is an apocalyptic number.

It is an amenable number.

4405140204497 is a deficient number, since it is larger than the sum of its proper divisors (1).

4405140204497 is an equidigital number, since it uses as much as digits as its factorization.

4405140204497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 4405140204497 in words is "four trillion, four hundred five billion, one hundred forty million, two hundred four thousand, four hundred ninety-seven".