649222249003 has 4 divisors (see below), whose sum is σ = 687411793080. Its totient is φ = 611032704928.

The previous prime is 649222248989. The next prime is 649222249009. The reversal of 649222249003 is 300942222946.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300942222946 = 2 ⋅150471111473.

It is a cyclic number.

It is not a de Polignac number, because 649222249003 - 2¹³ = 649222240811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (649222249009) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19094772013 + ... + 19094772046.

It is an arithmetic number, because the mean of its divisors is an integer number (171852948270).

Almost surely, 2^649222249003 is an apocalyptic number.

649222249003 is a deficient number, since it is larger than the sum of its proper divisors (38189544077).

649222249003 is a wasteful number, since it uses less digits than its factorization.

649222249003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38189544076.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 649222249003 in words is "six hundred forty-nine billion, two hundred twenty-two million, two hundred forty-nine thousand, three".