6489738072819 has 48 divisors (see below), whose sum is σ = 9765867384000. Its totient is φ = 4149587635200.

The previous prime is 6489738072803. The next prime is 6489738072821. The reversal of 6489738072819 is 9182708379846.

6489738072819 is a `hidden beast` number, since 6 + 489 + 73 + 8 + 0 + 72 + 8 + 1 + 9 = 666.

It is not a de Polignac number, because 6489738072819 - 2⁴ = 6489738072803 is a prime.

It is a super-2 number, since 2×6489738072819² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6489738072899) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8788567 + ... + 9498335.

It is an arithmetic number, because the mean of its divisors is an integer number (203455570500).

Almost surely, 2^{6489738072819} is an apocalyptic number.

6489738072819 is a deficient number, since it is larger than the sum of its proper divisors (3276129311181).

6489738072819 is a wasteful number, since it uses less digits than its factorization.

6489738072819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710236 (or 710233 counting only the distinct ones).

The product of its (nonzero) digits is 292626432, while the sum is 72.

The spelling of 6489738072819 in words is "six trillion, four hundred eighty-nine billion, seven hundred thirty-eight million, seventy-two thousand, eight hundred nineteen".