3651421452 has 48 divisors (see below), whose sum is σ = 9759708672. Its totient is φ = 1040843520.

The previous prime is 3651421421. The next prime is 3651421457. The reversal of 3651421452 is 2541241563.

It is not an unprimeable number, because it can be changed into a prime (3651421457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13824 + ... + 86567.

It is an arithmetic number, because the mean of its divisors is an integer number (203327264).

Almost surely, 2^3651421452 is an apocalyptic number.

It is an amenable number.

3651421452 is an abundant number, since it is smaller than the sum of its proper divisors (6108287220).

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

3651421452 is a wasteful number, since it uses less digits than its factorization.

3651421452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100838 (or 100836 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 3651421452 is about 60426.9927433097. The cubic root of 3651421452 is about 1539.8815690114.

The spelling of 3651421452 in words is "three billion, six hundred fifty-one million, four hundred twenty-one thousand, four hundred fifty-two".