6453338493 has 16 divisors (see below), whose sum is σ = 9839230976. Its totient is φ = 3685532400.

The previous prime is 6453338473. The next prime is 6453338501. The reversal of 6453338493 is 3948333546.

It is not a de Polignac number, because 6453338493 - 2¹² = 6453334397 is a prime.

It is a super-2 number, since 2×6453338493² = 83291155410471022098, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6453338473) 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, 48733 + ... + 123618.

It is an arithmetic number, because the mean of its divisors is an integer number (614951936).

Almost surely, 2^6453338493 is an apocalyptic number.

It is an amenable number.

6453338493 is a deficient number, since it is larger than the sum of its proper divisors (3385892483).

6453338493 is a wasteful number, since it uses less digits than its factorization.

6453338493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174144.

The product of its digits is 2799360, while the sum is 48.

The square root of 6453338493 is about 80332.6738818023. The cubic root of 6453338493 is about 1861.7790906229.

The spelling of 6453338493 in words is "six billion, four hundred fifty-three million, three hundred thirty-eight thousand, four hundred ninety-three".