3543444397 has 4 divisors (see below), whose sum is σ = 3543600060. Its totient is φ = 3543288736.

The previous prime is 3543444391. The next prime is 3543444407. The reversal of 3543444397 is 7934443453.

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 1693240201 + 1850204196 = 41149^2 + 43014^2 .

It is a cyclic number.

It is not a de Polignac number, because 3543444397 - 2³ = 3543444389 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 (3543444391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36298 + ... + 91675.

It is an arithmetic number, because the mean of its divisors is an integer number (885900015).

Almost surely, 2^3543444397 is an apocalyptic number.

It is an amenable number.

3543444397 is a deficient number, since it is larger than the sum of its proper divisors (155663).

3543444397 is a wasteful number, since it uses less digits than its factorization.

3543444397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155662.

The product of its digits is 2177280, while the sum is 46.

The square root of 3543444397 is about 59526.8376196821. The cubic root of 3543444397 is about 1524.5507083856.

The spelling of 3543444397 in words is "three billion, five hundred forty-three million, four hundred forty-four thousand, three hundred ninety-seven".