3745909693 has 8 divisors (see below), whose sum is σ = 3982063680. Its totient is φ = 3511512000.

The previous prime is 3745909621. The next prime is 3745909721. The reversal of 3745909693 is 3969095473.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3745909693 is a prime.

It is a super-2 number, since 2×3745909693² = 28063678856222708498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3745939693) 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 7 ways as a sum of consecutive naturals, for example, 434673 + ... + 443206.

It is an arithmetic number, because the mean of its divisors is an integer number (497757960).

Almost surely, 2^3745909693 is an apocalyptic number.

It is an amenable number.

3745909693 is a deficient number, since it is larger than the sum of its proper divisors (236153987).

3745909693 is a wasteful number, since it uses less digits than its factorization.

3745909693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878147.

The product of its (nonzero) digits is 5511240, while the sum is 55.

The square root of 3745909693 is about 61203.8372408136. The cubic root of 3745909693 is about 1553.0511792596.

The spelling of 3745909693 in words is "three billion, seven hundred forty-five million, nine hundred nine thousand, six hundred ninety-three".