5647604761 has 2 divisors, whose sum is σ = 5647604762. Its totient is φ = 5647604760.

The previous prime is 5647604671. The next prime is 5647604791. The reversal of 5647604761 is 1674067465.

Together with previous prime (5647604671) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5635354761 + 12250000 = 75069^2 + 3500^2 .

It is a cyclic number.

It is not a de Polignac number, because 5647604761 - 2¹¹ = 5647602713 is a prime.

It is not a weakly prime, because it can be changed into another prime (5647604791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823802380 + 2823802381.

It is an arithmetic number, because the mean of its divisors is an integer number (2823802381).

Almost surely, 2^5647604761 is an apocalyptic number.

It is an amenable number.

5647604761 is a deficient number, since it is larger than the sum of its proper divisors (1).

5647604761 is an equidigital number, since it uses as much as digits as its factorization.

5647604761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 5647604761 is about 75150.5473100496. The cubic root of 5647604761 is about 1780.8257710624.

Subtracting from 5647604761 its reverse (1674067465), we obtain a square (3973537296 = 63036²).

The spelling of 5647604761 in words is "five billion, six hundred forty-seven million, six hundred four thousand, seven hundred sixty-one".