3641252561033 has 4 divisors (see below), whose sum is σ = 3641711569668. Its totient is φ = 3640793552400.

The previous prime is 3641252560991. The next prime is 3641252561041. The reversal of 3641252561033 is 3301652521463.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1269504718729 + 2371747842304 = 1126723^2 + 1540048^2 .

It is a cyclic number.

It is not a de Polignac number, because 3641252561033 - 2²⁸ = 3640984125577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3641252563033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229492418 + ... + 229508283.

It is an arithmetic number, because the mean of its divisors is an integer number (910427892417).

Almost surely, 2^{3641252561033} is an apocalyptic number.

It is an amenable number.

3641252561033 is a deficient number, since it is larger than the sum of its proper divisors (459008635).

3641252561033 is an equidigital number, since it uses as much as digits as its factorization.

3641252561033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459008634.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 3641252561033 in words is "three trillion, six hundred forty-one billion, two hundred fifty-two million, five hundred sixty-one thousand, thirty-three".