3753638694 has 96 divisors (see below), whose sum is σ = 8877960000. Its totient is φ = 1139339520.

The previous prime is 3753638687. The next prime is 3753638701. The reversal of 3753638694 is 4968363573.

It is an interprime number because it is at equal distance from previous prime (3753638687) and next prime (3753638701).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3753638694.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6938064 + ... + 6938604.

It is an arithmetic number, because the mean of its divisors is an integer number (92478750).

Almost surely, 2^3753638694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3753638694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4438980000).

3753638694 is an abundant number, since it is smaller than the sum of its proper divisors (5124321306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3753638694 is a wasteful number, since it uses less digits than its factorization.

3753638694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910 (or 907 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The square root of 3753638694 is about 61266.9461781800. The cubic root of 3753638694 is about 1554.1185913482.

The spelling of 3753638694 in words is "three billion, seven hundred fifty-three million, six hundred thirty-eight thousand, six hundred ninety-four".