3622616641 has 4 divisors (see below), whose sum is σ = 4140133312. Its totient is φ = 3105099972.

The previous prime is 3622616639. The next prime is 3622616659. The reversal of 3622616641 is 1466162263.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1466162263 = 17 ⋅86244839.

It is a cyclic number.

It is not a de Polignac number, because 3622616641 - 2¹ = 3622616639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3622616641.

It is not an unprimeable number, because it can be changed into a prime (3622616671) 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, 258758325 + ... + 258758338.

It is an arithmetic number, because the mean of its divisors is an integer number (1035033328).

Almost surely, 2^3622616641 is an apocalyptic number.

It is an amenable number.

3622616641 is a deficient number, since it is larger than the sum of its proper divisors (517516671).

3622616641 is an equidigital number, since it uses as much as digits as its factorization.

3622616641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517516670.

The product of its digits is 62208, while the sum is 37.

The square root of 3622616641 is about 60188.1769203886. The cubic root of 3622616641 is about 1535.8216754027.

The spelling of 3622616641 in words is "three billion, six hundred twenty-two million, six hundred sixteen thousand, six hundred forty-one".