379023691261 has 2 divisors, whose sum is σ = 379023691262. Its totient is φ = 379023691260.

The previous prime is 379023691259. The next prime is 379023691271. The reversal of 379023691261 is 162196320973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 329470260025 + 49553431236 = 573995^2 + 222606^2 .

It is a cyclic number.

It is not a de Polignac number, because 379023691261 - 2¹ = 379023691259 is a prime.

It is a super-2 number, since 2×379023691261² (a number of 24 digits) contains 22 as substring.

Together with 379023691259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379023691271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189511845630 + 189511845631.

It is an arithmetic number, because the mean of its divisors is an integer number (189511845631).

Almost surely, 2^379023691261 is an apocalyptic number.

It is an amenable number.

379023691261 is a deficient number, since it is larger than the sum of its proper divisors (1).

379023691261 is an equidigital number, since it uses as much as digits as its factorization.

379023691261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 379023691261 in words is "three hundred seventy-nine billion, twenty-three million, six hundred ninety-one thousand, two hundred sixty-one".