3646461625 has 8 divisors (see below), whose sum is σ = 4550784264. Its totient is φ = 2917169200.

The previous prime is 3646461613. The next prime is 3646461641. The reversal of 3646461625 is 5261646463.

It can be written as a sum of positive squares in 4 ways, for example, as 366952336 + 3279509289 = 19156^2 + 57267^2 .

It is not a de Polignac number, because 3646461625 - 2⁵ = 3646461593 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14585722 + ... + 14585971.

It is an arithmetic number, because the mean of its divisors is an integer number (568848033).

Almost surely, 2^3646461625 is an apocalyptic number.

It is an amenable number.

3646461625 is a deficient number, since it is larger than the sum of its proper divisors (904322639).

3646461625 is an equidigital number, since it uses as much as digits as its factorization.

3646461625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29171708 (or 29171698 counting only the distinct ones).

The product of its digits is 622080, while the sum is 43.

The square root of 3646461625 is about 60385.9389676107. The cubic root of 3646461625 is about 1539.1840318109.

It can be divided in two parts, 36464 and 61625, that added together give a palindrome (98089).

The spelling of 3646461625 in words is "three billion, six hundred forty-six million, four hundred sixty-one thousand, six hundred twenty-five".