649950001505 has 48 divisors (see below), whose sum is σ = 916275784320. Its totient is φ = 441281127168.

The previous prime is 649950001489. The next prime is 649950001513. The reversal of 649950001505 is 505100059946.

It is not a de Polignac number, because 649950001505 - 2⁴ = 649950001489 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10186412 + ... + 10250018.

It is an arithmetic number, because the mean of its divisors is an integer number (19089078840).

Almost surely, 2^649950001505 is an apocalyptic number.

It is an amenable number.

649950001505 is a deficient number, since it is larger than the sum of its proper divisors (266325782815).

649950001505 is a wasteful number, since it uses less digits than its factorization.

649950001505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64038 (or 64031 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 44.

The spelling of 649950001505 in words is "six hundred forty-nine billion, nine hundred fifty million, one thousand, five hundred five".