3641362261 has 4 divisors (see below), whose sum is σ = 3675393792. Its totient is φ = 3607330732.

The previous prime is 3641362253. The next prime is 3641362273. The reversal of 3641362261 is 1622631463.

3641362261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3641362261 - 2³ = 3641362253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641362211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17015605 + ... + 17015818.

It is an arithmetic number, because the mean of its divisors is an integer number (918848448).

Almost surely, 2^3641362261 is an apocalyptic number.

It is an amenable number.

3641362261 is a deficient number, since it is larger than the sum of its proper divisors (34031531).

3641362261 is a wasteful number, since it uses less digits than its factorization.

3641362261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34031530.

The product of its digits is 31104, while the sum is 34.

The square root of 3641362261 is about 60343.7010880175. The cubic root of 3641362261 is about 1538.4662107177.

The spelling of 3641362261 in words is "three billion, six hundred forty-one million, three hundred sixty-two thousand, two hundred sixty-one".