648145030641 has 12 divisors (see below), whose sum is σ = 918018568272. Its totient is φ = 406679234368.

The previous prime is 648145030639. The next prime is 648145030667. The reversal of 648145030641 is 146030541846.

It is not a de Polignac number, because 648145030641 - 2¹ = 648145030639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 648145030593 and 648145030602.

It is not an unprimeable number, because it can be changed into a prime (648145030691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373785195 + ... + 373786928.

It is an arithmetic number, because the mean of its divisors is an integer number (76501547356).

Almost surely, 2^648145030641 is an apocalyptic number.

It is an amenable number.

648145030641 is a deficient number, since it is larger than the sum of its proper divisors (269873537631).

648145030641 is a wasteful number, since it uses less digits than its factorization.

648145030641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747572160 (or 747572143 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 648145030641 in words is "six hundred forty-eight billion, one hundred forty-five million, thirty thousand, six hundred forty-one".