4122613645 has 8 divisors (see below), whose sum is σ = 5238144504. Its totient is φ = 3104085504.

The previous prime is 4122613609. The next prime is 4122613687. The reversal of 4122613645 is 5463162214.

It can be written as a sum of positive squares in 4 ways, for example, as 1086493444 + 3036120201 = 32962^2 + 55101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4122613645 - 2³¹ = 1975129997 is a prime.

It is a super-3 number, since 3×4122613645³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4122613645.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24250584 + ... + 24250753.

It is an arithmetic number, because the mean of its divisors is an integer number (654768063).

Almost surely, 2^4122613645 is an apocalyptic number.

It is an amenable number.

4122613645 is a deficient number, since it is larger than the sum of its proper divisors (1115530859).

4122613645 is a wasteful number, since it uses less digits than its factorization.

4122613645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48501359.

The product of its digits is 34560, while the sum is 34.

The square root of 4122613645 is about 64207.5824572145. The cubic root of 4122613645 is about 1603.4578400648.

Adding to 4122613645 its reverse (5463162214), we get a palindrome (9585775859).

The spelling of 4122613645 in words is "four billion, one hundred twenty-two million, six hundred thirteen thousand, six hundred forty-five".