354348749329 has 2 divisors, whose sum is σ = 354348749330. Its totient is φ = 354348749328.

The previous prime is 354348749311. The next prime is 354348749333. The reversal of 354348749329 is 923947843453.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276516119104 + 77832630225 = 525848^2 + 278985^2 .

It is an emirp because it is prime and its reverse (923947843453) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 354348749329 - 2⁵ = 354348749297 is a prime.

It is not a weakly prime, because it can be changed into another prime (354348749369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177174374664 + 177174374665.

It is an arithmetic number, because the mean of its divisors is an integer number (177174374665).

Almost surely, 2^354348749329 is an apocalyptic number.

It is an amenable number.

354348749329 is a deficient number, since it is larger than the sum of its proper divisors (1).

354348749329 is an equidigital number, since it uses as much as digits as its factorization.

354348749329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78382080, while the sum is 61.

The spelling of 354348749329 in words is "three hundred fifty-four billion, three hundred forty-eight million, seven hundred forty-nine thousand, three hundred twenty-nine".