380709793517 has 4 divisors (see below), whose sum is σ = 381326827836. Its totient is φ = 380092759200.

The previous prime is 380709793501. The next prime is 380709793553. The reversal of 380709793517 is 715397907083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 715397907083 = 3583 ⋅199664501.

It can be written as a sum of positive squares in 2 ways, for example, as 143130562276 + 237579231241 = 378326^2 + 487421^2 .

It is a cyclic number.

It is not a de Polignac number, because 380709793517 - 2⁴ = 380709793501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380709796517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308516234 + ... + 308517467.

It is an arithmetic number, because the mean of its divisors is an integer number (95331706959).

Almost surely, 2^380709793517 is an apocalyptic number.

It is an amenable number.

380709793517 is a deficient number, since it is larger than the sum of its proper divisors (617034319).

380709793517 is an equidigital number, since it uses as much as digits as its factorization.

380709793517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617034318.

The product of its (nonzero) digits is 10001880, while the sum is 59.

The spelling of 380709793517 in words is "three hundred eighty billion, seven hundred nine million, seven hundred ninety-three thousand, five hundred seventeen".