6454189038679 has 8 divisors (see below), whose sum is σ = 6696207923328. Its totient is φ = 6214283856480.

The previous prime is 6454189038643. The next prime is 6454189038683. The reversal of 6454189038679 is 9768309814546.

It is a happy number.

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 6454189038679 - 2¹⁹ = 6454188514391 is a prime.

It is a super-2 number, since 2×6454189038679² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6454189018679) 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, 528419392 + ... + 528431605.

It is an arithmetic number, because the mean of its divisors is an integer number (837025990416).

Almost surely, 2^{6454189038679} is an apocalyptic number.

6454189038679 is a deficient number, since it is larger than the sum of its proper divisors (242018884649).

6454189038679 is a wasteful number, since it uses less digits than its factorization.

6454189038679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056851225.

The product of its (nonzero) digits is 313528320, while the sum is 70.

The spelling of 6454189038679 in words is "six trillion, four hundred fifty-four billion, one hundred eighty-nine million, thirty-eight thousand, six hundred seventy-nine".