3610440641 has 4 divisors (see below), whose sum is σ = 3610621872. Its totient is φ = 3610259412.

The previous prime is 3610440619. The next prime is 3610440677. The reversal of 3610440641 is 1460440163.

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 a de Polignac number, because none of the positive numbers 2^k-3610440641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3610440601) 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, 56435 + ... + 102008.

It is an arithmetic number, because the mean of its divisors is an integer number (902655468).

Almost surely, 2^3610440641 is an apocalyptic number.

It is an amenable number.

3610440641 is a deficient number, since it is larger than the sum of its proper divisors (181231).

3610440641 is a wasteful number, since it uses less digits than its factorization.

3610440641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181230.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 3610440641 is about 60086.9423502311. The cubic root of 3610440641 is about 1534.0990573004.

The spelling of 3610440641 in words is "three billion, six hundred ten million, four hundred forty thousand, six hundred forty-one".