351444255401381 has 2 divisors, whose sum is σ = 351444255401382. Its totient is φ = 351444255401380.

The previous prime is 351444255401353. The next prime is 351444255401467. The reversal of 351444255401381 is 183104552444153.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209744515188481 + 141699740212900 = 14482559^2 + 11903770^2 .

It is a cyclic number.

It is not a de Polignac number, because 351444255401381 - 2²⁶ = 351444188292517 is a prime.

It is a super-2 number, since 2×351444255401381² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351444255404381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175722127700690 + 175722127700691.

It is an arithmetic number, because the mean of its divisors is an integer number (175722127700691).

Almost surely, 2^{351444255401381} is an apocalyptic number.

It is an amenable number.

351444255401381 is a deficient number, since it is larger than the sum of its proper divisors (1).

351444255401381 is an equidigital number, since it uses as much as digits as its factorization.

351444255401381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608000, while the sum is 50.

The spelling of 351444255401381 in words is "three hundred fifty-one trillion, four hundred forty-four billion, two hundred fifty-five million, four hundred one thousand, three hundred eighty-one".