600721370649 has 12 divisors (see below), whose sum is σ = 905435109696. Its totient is φ = 383068699992.

The previous prime is 600721370633. The next prime is 600721370653. The reversal of 600721370649 is 946073127006.

600721370649 is a `hidden beast` number, since 600 + 7 + 2 + 1 + 37 + 0 + 6 + 4 + 9 = 666.

It is not a de Polignac number, because 600721370649 - 2⁴ = 600721370633 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (600721370629) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1451017597 + ... + 1451018010.

It is an arithmetic number, because the mean of its divisors is an integer number (75452925808).

Almost surely, 2^600721370649 is an apocalyptic number.

600721370649 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

600721370649 is a deficient number, since it is larger than the sum of its proper divisors (304713739047).

600721370649 is a wasteful number, since it uses less digits than its factorization.

600721370649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902035636 (or 2902035633 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 600721370649 in words is "six hundred billion, seven hundred twenty-one million, three hundred seventy thousand, six hundred forty-nine".