3753481394 has 8 divisors (see below), whose sum is σ = 6063316140. Its totient is φ = 1732376016.

The previous prime is 3753481393. The next prime is 3753481409. The reversal of 3753481394 is 4931843573.

It can be written as a sum of positive squares in 2 ways, for example, as 2917404169 + 836077225 = 54013^2 + 28915^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3753481393) 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, 72182309 + ... + 72182360.

Almost surely, 2^3753481394 is an apocalyptic number.

3753481394 is a deficient number, since it is larger than the sum of its proper divisors (2309834746).

3753481394 is a wasteful number, since it uses less digits than its factorization.

3753481394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144364684.

The product of its digits is 1088640, while the sum is 47.

The square root of 3753481394 is about 61265.6624382696. The cubic root of 3753481394 is about 1554.0968820780.

The spelling of 3753481394 in words is "three billion, seven hundred fifty-three million, four hundred eighty-one thousand, three hundred ninety-four".