3621051623 has 16 divisors (see below), whose sum is σ = 4191422976. Its totient is φ = 3064137120.

The previous prime is 3621051619. The next prime is 3621051659. The reversal of 3621051623 is 3261501263.

It is a cyclic number.

It is not a de Polignac number, because 3621051623 - 2² = 3621051619 is a prime.

It is a super-2 number, since 2×3621051623² = 26224029712861868258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3621051223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231065 + ... + 246237.

It is an arithmetic number, because the mean of its divisors is an integer number (261963936).

Almost surely, 2^3621051623 is an apocalyptic number.

3621051623 is a deficient number, since it is larger than the sum of its proper divisors (570371353).

3621051623 is a wasteful number, since it uses less digits than its factorization.

3621051623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15614.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 3621051623 is about 60175.1744741966. The cubic root of 3621051623 is about 1535.6004784968.

Adding to 3621051623 its reverse (3261501263), we get a palindrome (6882552886).

The spelling of 3621051623 in words is "three billion, six hundred twenty-one million, fifty-one thousand, six hundred twenty-three".