3645251214 has 96 divisors (see below), whose sum is σ = 8496423936. Its totient is φ = 1033774080.

The previous prime is 3645251191. The next prime is 3645251243. The reversal of 3645251214 is 4121525463.

3645251214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4253074 + ... + 4253930.

It is an arithmetic number, because the mean of its divisors is an integer number (88504416).

Almost surely, 2^3645251214 is an apocalyptic number.

3645251214 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3645251214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4248211968).

3645251214 is an abundant number, since it is smaller than the sum of its proper divisors (4851172722).

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

3645251214 is a wasteful number, since it uses less digits than its factorization.

3645251214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130 (or 1113 counting only the distinct ones).

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

The square root of 3645251214 is about 60375.9158439853. The cubic root of 3645251214 is about 1539.0137067439.

Adding to 3645251214 its reverse (4121525463), we get a palindrome (7766776677).

The spelling of 3645251214 in words is "three billion, six hundred forty-five million, two hundred fifty-one thousand, two hundred fourteen".