378240701633 has 2 divisors, whose sum is σ = 378240701634. Its totient is φ = 378240701632.

The previous prime is 378240701617. The next prime is 378240701749. The reversal of 378240701633 is 336107042873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324087688369 + 54153013264 = 569287^2 + 232708^2 .

It is a cyclic number.

It is not a de Polignac number, because 378240701633 - 2⁴ = 378240701617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (378240701603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189120350816 + 189120350817.

It is an arithmetic number, because the mean of its divisors is an integer number (189120350817).

Almost surely, 2^378240701633 is an apocalyptic number.

It is an amenable number.

378240701633 is a deficient number, since it is larger than the sum of its proper divisors (1).

378240701633 is an equidigital number, since it uses as much as digits as its factorization.

378240701633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 378240701633 in words is "three hundred seventy-eight billion, two hundred forty million, seven hundred one thousand, six hundred thirty-three".