6458839491 has 16 divisors (see below), whose sum is σ = 9573401600. Its totient is φ = 3846454560.

The previous prime is 6458839489. The next prime is 6458839493. The reversal of 6458839491 is 1949388546.

It is an interprime number because it is at equal distance from previous prime (6458839489) and next prime (6458839493).

It is not a de Polignac number, because 6458839491 - 2¹ = 6458839489 is a prime.

It is a super-2 number, since 2×6458839491² = 83433215141002278162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6458839493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2669941 + ... + 2672358.

It is an arithmetic number, because the mean of its divisors is an integer number (598337600).

Almost surely, 2^6458839491 is an apocalyptic number.

6458839491 is a deficient number, since it is larger than the sum of its proper divisors (3114562109).

6458839491 is a wasteful number, since it uses less digits than its factorization.

6458839491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5342346.

The product of its digits is 7464960, while the sum is 57.

The square root of 6458839491 is about 80366.9054462096. The cubic root of 6458839491 is about 1862.3079504453.

The spelling of 6458839491 in words is "six billion, four hundred fifty-eight million, eight hundred thirty-nine thousand, four hundred ninety-one".