5386219661 has 2 divisors, whose sum is σ = 5386219662. Its totient is φ = 5386219660.

The previous prime is 5386219639. The next prime is 5386219669. The reversal of 5386219661 is 1669126835.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4460904100 + 925315561 = 66790^2 + 30419^2 .

It is a cyclic number.

It is not a de Polignac number, because 5386219661 - 2³⁰ = 4312477837 is a prime.

It is a super-2 number, since 2×5386219661² = 58022724473085909842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5386219669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2693109830 + 2693109831.

It is an arithmetic number, because the mean of its divisors is an integer number (2693109831).

Almost surely, 2^5386219661 is an apocalyptic number.

It is an amenable number.

5386219661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5386219661 is an equidigital number, since it uses as much as digits as its factorization.

5386219661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The square root of 5386219661 is about 73390.8690573971. The cubic root of 5386219661 is about 1752.9170029303.

The spelling of 5386219661 in words is "five billion, three hundred eighty-six million, two hundred nineteen thousand, six hundred sixty-one".