648394059 has 8 divisors (see below), whose sum is σ = 915379920. Its totient is φ = 406835456.

The previous prime is 648394051. The next prime is 648394067. The reversal of 648394059 is 950493846.

It is an interprime number because it is at equal distance from previous prime (648394051) and next prime (648394067).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 648394059 - 2³ = 648394051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 648393999 and 648394017.

It is not an unprimeable number, because it can be changed into a prime (648394051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6356754 + ... + 6356855.

It is an arithmetic number, because the mean of its divisors is an integer number (114422490).

Almost surely, 2^648394059 is an apocalyptic number.

648394059 is a deficient number, since it is larger than the sum of its proper divisors (266985861).

648394059 is a wasteful number, since it uses less digits than its factorization.

648394059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12713629.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 648394059 is about 25463.5829961143. The cubic root of 648394059 is about 865.5251175729.

The spelling of 648394059 in words is "six hundred forty-eight million, three hundred ninety-four thousand, fifty-nine".