353869849 has 2 divisors, whose sum is σ = 353869850. Its totient is φ = 353869848.

The previous prime is 353869843. The next prime is 353869877. The reversal of 353869849 is 948968353.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186814224 + 167055625 = 13668^2 + 12925^2 .

It is a cyclic number.

It is not a de Polignac number, because 353869849 - 2⁹ = 353869337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 353869849.

It is not a weakly prime, because it can be changed into another prime (353869843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176934924 + 176934925.

It is an arithmetic number, because the mean of its divisors is an integer number (176934925).

Almost surely, 2^353869849 is an apocalyptic number.

It is an amenable number.

353869849 is a deficient number, since it is larger than the sum of its proper divisors (1).

353869849 is an equidigital number, since it uses as much as digits as its factorization.

353869849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5598720, while the sum is 55.

The square root of 353869849 is about 18811.4286804591. The cubic root of 353869849 is about 707.3176905433.

The spelling of 353869849 in words is "three hundred fifty-three million, eight hundred sixty-nine thousand, eight hundred forty-nine".