653350849 has 2 divisors, whose sum is σ = 653350850. Its totient is φ = 653350848.

The previous prime is 653350843. The next prime is 653350913. The reversal of 653350849 is 948053356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 653313600 + 37249 = 25560^2 + 193^2 .

It is a cyclic number.

It is not a de Polignac number, because 653350849 - 2⁷ = 653350721 is a prime.

It is not a weakly prime, because it can be changed into another prime (653350843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326675424 + 326675425.

It is an arithmetic number, because the mean of its divisors is an integer number (326675425).

Almost surely, 2^653350849 is an apocalyptic number.

It is an amenable number.

653350849 is a deficient number, since it is larger than the sum of its proper divisors (1).

653350849 is an equidigital number, since it uses as much as digits as its factorization.

653350849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 653350849 is about 25560.7286476736. The cubic root of 653350849 is about 867.7250862802.

The spelling of 653350849 in words is "six hundred fifty-three million, three hundred fifty thousand, eight hundred forty-nine".