354167081381 has 2 divisors, whose sum is σ = 354167081382. Its totient is φ = 354167081380.

The previous prime is 354167081369. The next prime is 354167081407. The reversal of 354167081381 is 183180761453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 263647333156 + 90519748225 = 513466^2 + 300865^2 .

It is a cyclic number.

It is not a de Polignac number, because 354167081381 - 2¹⁴ = 354167064997 is a prime.

It is a super-2 number, since 2×354167081381² (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 (354167081881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177083540690 + 177083540691.

It is an arithmetic number, because the mean of its divisors is an integer number (177083540691).

Almost surely, 2^354167081381 is an apocalyptic number.

It is an amenable number.

354167081381 is a deficient number, since it is larger than the sum of its proper divisors (1).

354167081381 is an equidigital number, since it uses as much as digits as its factorization.

354167081381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 354167081381 in words is "three hundred fifty-four billion, one hundred sixty-seven million, eighty-one thousand, three hundred eighty-one".