379654213381 has 2 divisors, whose sum is σ = 379654213382. Its totient is φ = 379654213380.

The previous prime is 379654213373. The next prime is 379654213469. The reversal of 379654213381 is 183312456973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191983309281 + 187670904100 = 438159^2 + 433210^2 .

It is a cyclic number.

It is not a de Polignac number, because 379654213381 - 2³ = 379654213373 is a prime.

It is a super-2 number, since 2×379654213381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379654213331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189827106690 + 189827106691.

It is an arithmetic number, because the mean of its divisors is an integer number (189827106691).

Almost surely, 2^379654213381 is an apocalyptic number.

It is an amenable number.

379654213381 is a deficient number, since it is larger than the sum of its proper divisors (1).

379654213381 is an equidigital number, since it uses as much as digits as its factorization.

379654213381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 52.

The spelling of 379654213381 in words is "three hundred seventy-nine billion, six hundred fifty-four million, two hundred thirteen thousand, three hundred eighty-one".