5646513473 has 2 divisors, whose sum is σ = 5646513474. Its totient is φ = 5646513472.

The previous prime is 5646513449. The next prime is 5646513491. The reversal of 5646513473 is 3743156465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5376995584 + 269517889 = 73328^2 + 16417^2 .

It is a cyclic number.

It is not a de Polignac number, because 5646513473 - 2⁸ = 5646513217 is a prime.

It is a super-2 number, since 2×5646513473² = 63766228801541043458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5646513493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823256736 + 2823256737.

It is an arithmetic number, because the mean of its divisors is an integer number (2823256737).

Almost surely, 2^5646513473 is an apocalyptic number.

It is an amenable number.

5646513473 is a deficient number, since it is larger than the sum of its proper divisors (1).

5646513473 is an equidigital number, since it uses as much as digits as its factorization.

5646513473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 44.

The square root of 5646513473 is about 75143.2862802792. The cubic root of 5646513473 is about 1780.7110605457.

The spelling of 5646513473 in words is "five billion, six hundred forty-six million, five hundred thirteen thousand, four hundred seventy-three".