354680369 has 2 divisors, whose sum is σ = 354680370. Its totient is φ = 354680368.

The previous prime is 354680363. The next prime is 354680407. The reversal of 354680369 is 963086453.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185368225 + 169312144 = 13615^2 + 13012^2 .

It is a cyclic number.

It is not a de Polignac number, because 354680369 - 2¹⁶ = 354614833 is a prime.

It is a super-2 number, since 2×354680369² = 251596328307952322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (354680363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177340184 + 177340185.

It is an arithmetic number, because the mean of its divisors is an integer number (177340185).

Almost surely, 2^354680369 is an apocalyptic number.

It is an amenable number.

354680369 is a deficient number, since it is larger than the sum of its proper divisors (1).

354680369 is an equidigital number, since it uses as much as digits as its factorization.

354680369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 354680369 is about 18832.9596452602. The cubic root of 354680369 is about 707.8573032396.

The spelling of 354680369 in words is "three hundred fifty-four million, six hundred eighty thousand, three hundred sixty-nine".