379069581689 has 2 divisors, whose sum is σ = 379069581690. Its totient is φ = 379069581688.

The previous prime is 379069581643. The next prime is 379069581769. The reversal of 379069581689 is 986185960973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271016030464 + 108053551225 = 520592^2 + 328715^2 .

It is an emirp because it is prime and its reverse (986185960973) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-379069581689 is a prime.

It is not a weakly prime, because it can be changed into another prime (379069781689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189534790844 + 189534790845.

It is an arithmetic number, because the mean of its divisors is an integer number (189534790845).

Almost surely, 2^379069581689 is an apocalyptic number.

It is an amenable number.

379069581689 is a deficient number, since it is larger than the sum of its proper divisors (1).

379069581689 is an equidigital number, since it uses as much as digits as its factorization.

379069581689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176359680, while the sum is 71.

The spelling of 379069581689 in words is "three hundred seventy-nine billion, sixty-nine million, five hundred eighty-one thousand, six hundred eighty-nine".