5646425497 has 2 divisors, whose sum is σ = 5646425498. Its totient is φ = 5646425496.

The previous prime is 5646425479. The next prime is 5646425537. The reversal of 5646425497 is 7945246465.

Together with previous prime (5646425479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4637473801 + 1008951696 = 68099^2 + 31764^2 .

It is a cyclic number.

It is not a de Polignac number, because 5646425497 - 2²³ = 5638036889 is a prime.

It is not a weakly prime, because it can be changed into another prime (5646425297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2823212748 + 2823212749.

It is an arithmetic number, because the mean of its divisors is an integer number (2823212749).

Almost surely, 2^5646425497 is an apocalyptic number.

It is an amenable number.

5646425497 is a deficient number, since it is larger than the sum of its proper divisors (1).

5646425497 is an equidigital number, since it uses as much as digits as its factorization.

5646425497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7257600, while the sum is 52.

The square root of 5646425497 is about 75142.7008897072. The cubic root of 5646425497 is about 1780.7018123225.

The spelling of 5646425497 in words is "five billion, six hundred forty-six million, four hundred twenty-five thousand, four hundred ninety-seven".