3553948613 has 6 divisors (see below), whose sum is σ = 3750843654. Its totient is φ = 3366898344.

The previous prime is 3553948591. The next prime is 3553948621. The reversal of 3553948613 is 3168493553.

It can be written as a sum of positive squares in only one way, i.e., 3395742529 + 158206084 = 58273^2 + 12578^2 .

It is not a de Polignac number, because 3553948613 - 2¹⁰ = 3553947589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3553948693) 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 5 ways as a sum of consecutive naturals, for example, 4922006 + ... + 4922727.

It is an arithmetic number, because the mean of its divisors is an integer number (625140609).

Almost surely, 2^3553948613 is an apocalyptic number.

It is an amenable number.

3553948613 is a deficient number, since it is larger than the sum of its proper divisors (196895041).

3553948613 is an equidigital number, since it uses as much as digits as its factorization.

3553948613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9844771 (or 9844752 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 47.

The square root of 3553948613 is about 59615.0032542145. The cubic root of 3553948613 is about 1526.0556858352.

The spelling of 3553948613 in words is "three billion, five hundred fifty-three million, nine hundred forty-eight thousand, six hundred thirteen".