3646225743 has 4 divisors (see below), whose sum is σ = 4861634328. Its totient is φ = 2430817160.

The previous prime is 3646225703. The next prime is 3646225769. The reversal of 3646225743 is 3475226463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3475226463 = 3 ⋅1158408821.

It is a cyclic number.

It is not a de Polignac number, because 3646225743 - 2⁶ = 3646225679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3646225695 and 3646225704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646225703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607704288 + ... + 607704293.

It is an arithmetic number, because the mean of its divisors is an integer number (1215408582).

Almost surely, 2^3646225743 is an apocalyptic number.

3646225743 is a deficient number, since it is larger than the sum of its proper divisors (1215408585).

3646225743 is a wasteful number, since it uses less digits than its factorization.

3646225743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215408584.

The product of its digits is 725760, while the sum is 42.

The square root of 3646225743 is about 60383.9858157773. The cubic root of 3646225743 is about 1539.1508422266.

The spelling of 3646225743 in words is "three billion, six hundred forty-six million, two hundred twenty-five thousand, seven hundred forty-three".