649546955 has 8 divisors (see below), whose sum is σ = 782231904. Its totient is φ = 517787200.

The previous prime is 649546921. The next prime is 649546991. The reversal of 649546955 is 559645946.

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

It is not a de Polignac number, because 649546955 - 2⁸ = 649546699 is a prime.

It is a super-2 number, since 2×649546955² = 843822493499544050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 649546897 and 649546906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229751 + ... + 232560.

It is an arithmetic number, because the mean of its divisors is an integer number (97778988).

Almost surely, 2^649546955 is an apocalyptic number.

649546955 is a deficient number, since it is larger than the sum of its proper divisors (132684949).

649546955 is a wasteful number, since it uses less digits than its factorization.

649546955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462597.

The product of its digits is 5832000, while the sum is 53.

The square root of 649546955 is about 25486.2110757955. The cubic root of 649546955 is about 866.0378045676.

The spelling of 649546955 in words is "six hundred forty-nine million, five hundred forty-six thousand, nine hundred fifty-five".