349509383 has 2 divisors, whose sum is σ = 349509384. Its totient is φ = 349509382.

The previous prime is 349509367. The next prime is 349509521. The reversal of 349509383 is 383905943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349509383 - 2⁴ = 349509367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349502383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174754691 + 174754692.

It is an arithmetic number, because the mean of its divisors is an integer number (174754692).

Almost surely, 2^349509383 is an apocalyptic number.

349509383 is a deficient number, since it is larger than the sum of its proper divisors (1).

349509383 is an equidigital number, since it uses as much as digits as its factorization.

349509383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 349509383 is about 18695.1700446934. The cubic root of 349509383 is about 704.4004311718.

The spelling of 349509383 in words is "three hundred forty-nine million, five hundred nine thousand, three hundred eighty-three".