5646748741 has 2 divisors, whose sum is σ = 5646748742. Its totient is φ = 5646748740.

The previous prime is 5646748729. The next prime is 5646748799. The reversal of 5646748741 is 1478476465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5583227841 + 63520900 = 74721^2 + 7970^2 .

It is a cyclic number.

It is not a de Polignac number, because 5646748741 - 2²⁵ = 5613194309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5646748241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823374370 + 2823374371.

It is an arithmetic number, because the mean of its divisors is an integer number (2823374371).

Almost surely, 2^5646748741 is an apocalyptic number.

It is an amenable number.

5646748741 is a deficient number, since it is larger than the sum of its proper divisors (1).

5646748741 is an equidigital number, since it uses as much as digits as its factorization.

5646748741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4515840, while the sum is 52.

The square root of 5646748741 is about 75144.8517265155. The cubic root of 5646748741 is about 1780.7357919434.

The spelling of 5646748741 in words is "five billion, six hundred forty-six million, seven hundred forty-eight thousand, seven hundred forty-one".