6458546991 has 8 divisors (see below), whose sum is σ = 9273811120. Its totient is φ = 3974490432.

The previous prime is 6458546953. The next prime is 6458546999. The reversal of 6458546991 is 1996458546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6458546991 - 2²⁵ = 6424992559 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 (6458546999) 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, 82801846 + ... + 82801923.

It is an arithmetic number, because the mean of its divisors is an integer number (1159226390).

Almost surely, 2^6458546991 is an apocalyptic number.

6458546991 is a deficient number, since it is larger than the sum of its proper divisors (2815264129).

6458546991 is a wasteful number, since it uses less digits than its factorization.

6458546991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165603785.

The product of its digits is 9331200, while the sum is 57.

The square root of 6458546991 is about 80365.0856466911. The cubic root of 6458546991 is about 1862.2798373816.

The spelling of 6458546991 in words is "six billion, four hundred fifty-eight million, five hundred forty-six thousand, nine hundred ninety-one".