3661382651 has 4 divisors (see below), whose sum is σ = 3672933072. Its totient is φ = 3649832232.

The previous prime is 3661382639. The next prime is 3661382663. The reversal of 3661382651 is 1562831663.

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

It is an interprime number because it is at equal distance from previous prime (3661382639) and next prime (3661382663).

It is a cyclic number.

It is not a de Polignac number, because 3661382651 - 2¹⁰ = 3661381627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3661382599 and 3661382608.

It is not an unprimeable number, because it can be changed into a prime (3661382611) 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, 5774735 + ... + 5775368.

It is an arithmetic number, because the mean of its divisors is an integer number (918233268).

Almost surely, 2^3661382651 is an apocalyptic number.

3661382651 is a deficient number, since it is larger than the sum of its proper divisors (11550421).

3661382651 is a wasteful number, since it uses less digits than its factorization.

3661382651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11550420.

The product of its digits is 155520, while the sum is 41.

The square root of 3661382651 is about 60509.3600280155. The cubic root of 3661382651 is about 1541.2805802872.

The spelling of 3661382651 in words is "three billion, six hundred sixty-one million, three hundred eighty-two thousand, six hundred fifty-one".