3641504761 has 4 divisors (see below), whose sum is σ = 3710212452. Its totient is φ = 3572797072.

The previous prime is 3641504759. The next prime is 3641504767. The reversal of 3641504761 is 1674051463.

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 3164737536 + 476767225 = 56256^2 + 21835^2 .

It is a cyclic number.

It is not a de Polignac number, because 3641504761 - 2¹ = 3641504759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3641504761.

It is not an unprimeable number, because it can be changed into a prime (3641504767) 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, 34353766 + ... + 34353871.

It is an arithmetic number, because the mean of its divisors is an integer number (927553113).

Almost surely, 2^3641504761 is an apocalyptic number.

It is an amenable number.

3641504761 is a deficient number, since it is larger than the sum of its proper divisors (68707691).

3641504761 is an equidigital number, since it uses as much as digits as its factorization.

3641504761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68707690.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 3641504761 is about 60344.8818127934. The cubic root of 3641504761 is about 1538.4862790840.

The spelling of 3641504761 in words is "three billion, six hundred forty-one million, five hundred four thousand, seven hundred sixty-one".