5621653417 has 2 divisors, whose sum is σ = 5621653418. Its totient is φ = 5621653416.

The previous prime is 5621653403. The next prime is 5621653447. The reversal of 5621653417 is 7143561265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5230760976 + 390892441 = 72324^2 + 19771^2 .

It is a cyclic number.

It is not a de Polignac number, because 5621653417 - 2²³ = 5613264809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5621653417.

It is not a weakly prime, because it can be changed into another prime (5621653447) 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 as a sum of consecutive naturals, namely, 2810826708 + 2810826709.

It is an arithmetic number, because the mean of its divisors is an integer number (2810826709).

Almost surely, 2^5621653417 is an apocalyptic number.

It is an amenable number.

5621653417 is a deficient number, since it is larger than the sum of its proper divisors (1).

5621653417 is an equidigital number, since it uses as much as digits as its factorization.

5621653417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 5621653417 is about 74977.6861272739. The cubic root of 5621653417 is about 1778.0938877980.

The spelling of 5621653417 in words is "five billion, six hundred twenty-one million, six hundred fifty-three thousand, four hundred seventeen".