3644250463 has 8 divisors (see below), whose sum is σ = 4235448960. Its totient is φ = 3070699800.

The previous prime is 3644250451. The next prime is 3644250497. The reversal of 3644250463 is 3640524463.

It is a happy number.

3644250463 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-3644250463 is a prime.

It is a super-2 number, since 2×3644250463² = 26561122874151428738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644250413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4411513 + ... + 4412338.

It is an arithmetic number, because the mean of its divisors is an integer number (529431120).

Almost surely, 2^3644250463 is an apocalyptic number.

3644250463 is a deficient number, since it is larger than the sum of its proper divisors (591198497).

3644250463 is an equidigital number, since it uses as much as digits as its factorization.

3644250463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8823917.

The product of its (nonzero) digits is 207360, while the sum is 37.

The square root of 3644250463 is about 60367.6276078496. The cubic root of 3644250463 is about 1538.8728558688.

The spelling of 3644250463 in words is "three billion, six hundred forty-four million, two hundred fifty thousand, four hundred sixty-three".