354191449 has 2 divisors, whose sum is σ = 354191450. Its totient is φ = 354191448.

The previous prime is 354191441. The next prime is 354191503. The reversal of 354191449 is 944191453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217769049 + 136422400 = 14757^2 + 11680^2 .

It is a cyclic number.

It is not a de Polignac number, because 354191449 - 2³ = 354191441 is a prime.

It is a super-3 number, since 3×354191449³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (354191441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177095724 + 177095725.

It is an arithmetic number, because the mean of its divisors is an integer number (177095725).

Almost surely, 2^354191449 is an apocalyptic number.

It is an amenable number.

354191449 is a deficient number, since it is larger than the sum of its proper divisors (1).

354191449 is an equidigital number, since it uses as much as digits as its factorization.

354191449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 354191449 is about 18819.9747343082. The cubic root of 354191449 is about 707.5318978239.

The spelling of 354191449 in words is "three hundred fifty-four million, one hundred ninety-one thousand, four hundred forty-nine".