6458780493 has 12 divisors (see below), whose sum is σ = 10177472448. Its totient is φ = 3914412360.

The previous prime is 6458780491. The next prime is 6458780507. The reversal of 6458780493 is 3940878546.

It is not a de Polignac number, because 6458780493 - 2¹ = 6458780491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6458780491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32620005 + ... + 32620202.

It is an arithmetic number, because the mean of its divisors is an integer number (848122704).

Almost surely, 2^6458780493 is an apocalyptic number.

It is an amenable number.

6458780493 is a deficient number, since it is larger than the sum of its proper divisors (3718691955).

6458780493 is a wasteful number, since it uses less digits than its factorization.

6458780493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65240224 (or 65240221 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The square root of 6458780493 is about 80366.5383912982. The cubic root of 6458780493 is about 1862.3022800366.

The spelling of 6458780493 in words is "six billion, four hundred fifty-eight million, seven hundred eighty thousand, four hundred ninety-three".