649350006019 has 8 divisors (see below), whose sum is σ = 762872734512. Its totient is φ = 544909095840.

The previous prime is 649350006017. The next prime is 649350006029. The reversal of 649350006019 is 910600053946.

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 649350006019 - 2¹ = 649350006017 is a prime.

It is a super-2 number, since 2×649350006019² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (649350006017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2270454424 + ... + 2270454709.

It is an arithmetic number, because the mean of its divisors is an integer number (95359091814).

Almost surely, 2^649350006019 is an apocalyptic number.

649350006019 is a deficient number, since it is larger than the sum of its proper divisors (113522728493).

649350006019 is a wasteful number, since it uses less digits than its factorization.

649350006019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4540909157.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 649350006019 in words is "six hundred forty-nine billion, three hundred fifty million, six thousand, nineteen".