6449323759390 has 16 divisors (see below), whose sum is σ = 11636488699920. Its totient is φ = 2573572629760.

The previous prime is 6449323759357. The next prime is 6449323759393. The reversal of 6449323759390 is 939573239446.

It is a super-2 number, since 2×6449323759390² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6449323759393) 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, 769604851 + ... + 769613230.

It is an arithmetic number, because the mean of its divisors is an integer number (727280543745).

Almost surely, 2^{6449323759390} is an apocalyptic number.

6449323759390 is a deficient number, since it is larger than the sum of its proper divisors (5187164940530).

6449323759390 is a wasteful number, since it uses less digits than its factorization.

6449323759390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539218507.

The product of its (nonzero) digits is 132269760, while the sum is 64.

The spelling of 6449323759390 in words is "six trillion, four hundred forty-nine billion, three hundred twenty-three million, seven hundred fifty-nine thousand, three hundred ninety".