3499778305 has 8 divisors (see below), whose sum is σ = 4227921000. Its totient is φ = 2781031296.

The previous prime is 3499778291. The next prime is 3499778323. The reversal of 3499778305 is 5038779943.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 166332609 + 3333445696 = 12897^2 + 57736^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3499778305 - 2²³ = 3491389697 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2348100 + ... + 2349589.

It is an arithmetic number, because the mean of its divisors is an integer number (528490125).

Almost surely, 2^3499778305 is an apocalyptic number.

It is an amenable number.

3499778305 is a deficient number, since it is larger than the sum of its proper divisors (728142695).

3499778305 is a wasteful number, since it uses less digits than its factorization.

3499778305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4697843.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The square root of 3499778305 is about 59158.9241366001. The cubic root of 3499778305 is about 1518.2624282804.

The spelling of 3499778305 in words is "three billion, four hundred ninety-nine million, seven hundred seventy-eight thousand, three hundred five".