4644228836615 has 4 divisors (see below), whose sum is σ = 5573074603944. Its totient is φ = 3715383069288.

The previous prime is 4644228836591. The next prime is 4644228836617. The reversal of 4644228836615 is 5166388224464.

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

It is a cyclic number.

It is not a de Polignac number, because 4644228836615 - 2⁶ = 4644228836551 is a prime.

It is a super-2 number, since 2×4644228836615² (a number of 26 digits) 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 (4644228836617) 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, 464422883657 + ... + 464422883666.

It is an arithmetic number, because the mean of its divisors is an integer number (1393268650986).

Almost surely, 2^{4644228836615} is an apocalyptic number.

4644228836615 is a deficient number, since it is larger than the sum of its proper divisors (928845767329).

4644228836615 is an equidigital number, since it uses as much as digits as its factorization.

4644228836615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928845767328.

The product of its digits is 53084160, while the sum is 59.

The spelling of 4644228836615 in words is "four trillion, six hundred forty-four billion, two hundred twenty-eight million, eight hundred thirty-six thousand, six hundred fifteen".