3544193925 has 72 divisors (see below), whose sum is σ = 6546367464. Its totient is φ = 1831610880.

The previous prime is 3544193921. The next prime is 3544193941. The reversal of 3544193925 is 5293914453.

3544193925 is a `hidden beast` number, since 3 + 544 + 19 + 3 + 92 + 5 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 275327649 + 3268866276 = 16593^2 + 57174^2 .

It is not a de Polignac number, because 3544193925 - 2² = 3544193921 is a prime.

It is a super-2 number, since 2×3544193925² = 25122621156013811250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3544193921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2438499 + ... + 2439951.

Almost surely, 2^3544193925 is an apocalyptic number.

It is an amenable number.

3544193925 is a deficient number, since it is larger than the sum of its proper divisors (3002173539).

3544193925 is a wasteful number, since it uses less digits than its factorization.

3544193925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799 (or 1791 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 3544193925 is about 59533.1330017159. The cubic root of 3544193925 is about 1524.6581944693.

The spelling of 3544193925 in words is "three billion, five hundred forty-four million, one hundred ninety-three thousand, nine hundred twenty-five".