6489702769439 has 8 divisors (see below), whose sum is σ = 6665994229488. Its totient is φ = 6313458366720.

The previous prime is 6489702769423. The next prime is 6489702769481. The reversal of 6489702769439 is 9349672079846.

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 6489702769439 - 2⁴ = 6489702769423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6489702769409) 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, 11484677 + ... + 12036494.

It is an arithmetic number, because the mean of its divisors is an integer number (833249278686).

Almost surely, 2^{6489702769439} is an apocalyptic number.

6489702769439 is a deficient number, since it is larger than the sum of its proper divisors (176291460049).

6489702769439 is a wasteful number, since it uses less digits than its factorization.

6489702769439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23528665.

The product of its (nonzero) digits is 987614208, while the sum is 74.

The spelling of 6489702769439 in words is "six trillion, four hundred eighty-nine billion, seven hundred two million, seven hundred sixty-nine thousand, four hundred thirty-nine".