381970504717 has 2 divisors, whose sum is σ = 381970504718. Its totient is φ = 381970504716.

The previous prime is 381970504711. The next prime is 381970504739. The reversal of 381970504717 is 717405079183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317480410116 + 64490094601 = 563454^2 + 253949^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381970504717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381970504711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190985252358 + 190985252359.

It is an arithmetic number, because the mean of its divisors is an integer number (190985252359).

Almost surely, 2^381970504717 is an apocalyptic number.

It is an amenable number.

381970504717 is a deficient number, since it is larger than the sum of its proper divisors (1).

381970504717 is an equidigital number, since it uses as much as digits as its factorization.

381970504717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1481760, while the sum is 52.

The spelling of 381970504717 in words is "three hundred eighty-one billion, nine hundred seventy million, five hundred four thousand, seven hundred seventeen".