6890459393 has 8 divisors (see below), whose sum is σ = 7343025408. Its totient is φ = 6450641824.

The previous prime is 6890459357. The next prime is 6890459399. The reversal of 6890459393 is 3939540986.

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

It is not a de Polignac number, because 6890459393 - 2¹⁰ = 6890458369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6890459399) 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, 3185996 + ... + 3188157.

It is an arithmetic number, because the mean of its divisors is an integer number (917878176).

Almost surely, 2^6890459393 is an apocalyptic number.

It is an amenable number.

6890459393 is a deficient number, since it is larger than the sum of its proper divisors (452566015).

6890459393 is a wasteful number, since it uses less digits than its factorization.

6890459393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6374223.

The product of its (nonzero) digits is 6298560, while the sum is 56.

The square root of 6890459393 is about 83008.7910585379. The cubic root of 6890459393 is about 1902.9004079513.

The spelling of 6890459393 in words is "six billion, eight hundred ninety million, four hundred fifty-nine thousand, three hundred ninety-three".