3643537468 has 12 divisors (see below), whose sum is σ = 6422733072. Its totient is φ = 1808470880.

The previous prime is 3643537463. The next prime is 3643537483. The reversal of 3643537468 is 8647353463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643537463) 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, 3323848 + ... + 3324943.

It is an arithmetic number, because the mean of its divisors is an integer number (535227756).

Almost surely, 2^3643537468 is an apocalyptic number.

It is an amenable number.

3643537468 is a deficient number, since it is larger than the sum of its proper divisors (2779195604).

3643537468 is a wasteful number, since it uses less digits than its factorization.

3643537468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6648932 (or 6648930 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 49.

The square root of 3643537468 is about 60361.7218773620. The cubic root of 3643537468 is about 1538.7724895313.

The spelling of 3643537468 in words is "three billion, six hundred forty-three million, five hundred thirty-seven thousand, four hundred sixty-eight".