3646261741 has 4 divisors (see below), whose sum is σ = 3651778684. Its totient is φ = 3640744800.

The previous prime is 3646261679. The next prime is 3646261753. The reversal of 3646261741 is 1471626463.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1863648900 + 1782612841 = 43170^2 + 42221^2 .

It is a cyclic number.

It is not a de Polignac number, because 3646261741 - 2⁷ = 3646261613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3646261694 and 3646261703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646261781) 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, 2757480 + ... + 2758801.

It is an arithmetic number, because the mean of its divisors is an integer number (912944671).

Almost surely, 2^3646261741 is an apocalyptic number.

It is an amenable number.

3646261741 is a deficient number, since it is larger than the sum of its proper divisors (5516943).

3646261741 is an equidigital number, since it uses as much as digits as its factorization.

3646261741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516942.

The product of its digits is 145152, while the sum is 40.

The square root of 3646261741 is about 60384.2838907608. The cubic root of 3646261741 is about 1539.1559073884.

The spelling of 3646261741 in words is "three billion, six hundred forty-six million, two hundred sixty-one thousand, seven hundred forty-one".