3479964845849 has 4 divisors (see below), whose sum is σ = 3527635597236. Its totient is φ = 3432294094464.

The previous prime is 3479964845839. The next prime is 3479964845879. The reversal of 3479964845849 is 9485484699743.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2773806975625 + 706157870224 = 1665475^2 + 840332^2 .

It is a cyclic number.

It is not a de Polignac number, because 3479964845849 - 2³⁶ = 3411245369113 is a prime.

It is a super-2 number, since 2×3479964845849² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3479964845839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23835375584 + ... + 23835375729.

It is an arithmetic number, because the mean of its divisors is an integer number (881908899309).

Almost surely, 2^{3479964845849} is an apocalyptic number.

It is an amenable number.

3479964845849 is a deficient number, since it is larger than the sum of its proper divisors (47670751387).

3479964845849 is an equidigital number, since it uses as much as digits as its factorization.

3479964845849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47670751386.

The product of its digits is 7524679680, while the sum is 80.

The spelling of 3479964845849 in words is "three trillion, four hundred seventy-nine billion, nine hundred sixty-four million, eight hundred forty-five thousand, eight hundred forty-nine".