7217001849 has 8 divisors (see below), whose sum is σ = 9707825952. Its totient is φ = 4768756160.

The previous prime is 7217001833. The next prime is 7217001863. The reversal of 7217001849 is 9481007127.

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

It is a cyclic number.

It is not a de Polignac number, because 7217001849 - 2⁴ = 7217001833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7217001889) 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 7 ways as a sum of consecutive naturals, for example, 10644207 + ... + 10644884.

It is an arithmetic number, because the mean of its divisors is an integer number (1213478244).

Almost surely, 2^7217001849 is an apocalyptic number.

It is an amenable number.

7217001849 is a deficient number, since it is larger than the sum of its proper divisors (2490824103).

7217001849 is a wasteful number, since it uses less digits than its factorization.

7217001849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21289207.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 7217001849 is about 84952.9390250861. The cubic root of 7217001849 is about 1932.4974915216.

The spelling of 7217001849 in words is "seven billion, two hundred seventeen million, one thousand, eight hundred forty-nine".