4217936649 has 16 divisors (see below), whose sum is σ = 5729906304. Its totient is φ = 2759456000.

The previous prime is 4217936633. The next prime is 4217936687. The reversal of 4217936649 is 9466397124.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4217936649 - 2⁴ = 4217936633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4217936629) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 27357 + ... + 95834.

It is an arithmetic number, because the mean of its divisors is an integer number (358119144).

Almost surely, 2^4217936649 is an apocalyptic number.

It is an amenable number.

4217936649 is a deficient number, since it is larger than the sum of its proper divisors (1511969655).

4217936649 is a wasteful number, since it uses less digits than its factorization.

4217936649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123408.

The product of its digits is 1959552, while the sum is 51.

The square root of 4217936649 is about 64945.6438031066. The cubic root of 4217936649 is about 1615.7221701619.

The spelling of 4217936649 in words is "four billion, two hundred seventeen million, nine hundred thirty-six thousand, six hundred forty-nine".