383070020917 has 2 divisors, whose sum is σ = 383070020918. Its totient is φ = 383070020916.

The previous prime is 383070020869. The next prime is 383070021011. The reversal of 383070020917 is 719020070383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209740184676 + 173329836241 = 457974^2 + 416329^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-383070020917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 383070020917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (383070020017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191535010458 + 191535010459.

It is an arithmetic number, because the mean of its divisors is an integer number (191535010459).

Almost surely, 2^383070020917 is an apocalyptic number.

It is an amenable number.

383070020917 is a deficient number, since it is larger than the sum of its proper divisors (1).

383070020917 is an equidigital number, since it uses as much as digits as its factorization.

383070020917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The spelling of 383070020917 in words is "three hundred eighty-three billion, seventy million, twenty thousand, nine hundred seventeen".