3651789493 has 16 divisors (see below), whose sum is σ = 4201323840. Its totient is φ = 3139171200.

The previous prime is 3651789469. The next prime is 3651789497. The reversal of 3651789493 is 3949871563.

It is a de Polignac number, because none of the positive numbers 2^k-3651789493 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 (3651789497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96921 + ... + 129217.

It is an arithmetic number, because the mean of its divisors is an integer number (262582740).

Almost surely, 2^3651789493 is an apocalyptic number.

It is an amenable number.

3651789493 is a deficient number, since it is larger than the sum of its proper divisors (549534347).

3651789493 is a wasteful number, since it uses less digits than its factorization.

3651789493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32868.

The product of its digits is 4898880, while the sum is 55.

The square root of 3651789493 is about 60430.0380026357. The cubic root of 3651789493 is about 1539.9333041616.

The spelling of 3651789493 in words is "three billion, six hundred fifty-one million, seven hundred eighty-nine thousand, four hundred ninety-three".