380265420653 has 2 divisors, whose sum is σ = 380265420654. Its totient is φ = 380265420652.

The previous prime is 380265420607. The next prime is 380265420673. The reversal of 380265420653 is 356024562083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210803111689 + 169462308964 = 459133^2 + 411658^2 .

It is a cyclic number.

It is not a de Polignac number, because 380265420653 - 2²⁰ = 380264372077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380265420673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190132710326 + 190132710327.

It is an arithmetic number, because the mean of its divisors is an integer number (190132710327).

Almost surely, 2^380265420653 is an apocalyptic number.

It is an amenable number.

380265420653 is a deficient number, since it is larger than the sum of its proper divisors (1).

380265420653 is an equidigital number, since it uses as much as digits as its factorization.

380265420653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 380265420653 in words is "three hundred eighty billion, two hundred sixty-five million, four hundred twenty thousand, six hundred fifty-three".