648033959 has 2 divisors, whose sum is σ = 648033960. Its totient is φ = 648033958.

The previous prime is 648033949. The next prime is 648033973. The reversal of 648033959 is 959330846.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 648033959 - 2⁴ = 648033943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (648033949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324016979 + 324016980.

It is an arithmetic number, because the mean of its divisors is an integer number (324016980).

Almost surely, 2^648033959 is an apocalyptic number.

648033959 is a deficient number, since it is larger than the sum of its proper divisors (1).

648033959 is an equidigital number, since it uses as much as digits as its factorization.

648033959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 648033959 is about 25456.5111317321. The cubic root of 648033959 is about 865.3648583874.

The spelling of 648033959 in words is "six hundred forty-eight million, thirty-three thousand, nine hundred fifty-nine".