1468394557 has 8 divisors (see below), whose sum is σ = 1678687232. Its totient is φ = 1258232400.

The previous prime is 1468394549. The next prime is 1468394569. The reversal of 1468394557 is 7554938641.

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

It is a cyclic number.

It is not a de Polignac number, because 1468394557 - 2³ = 1468394549 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 (1468394507) 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, 7194 + ... + 54667.

It is an arithmetic number, because the mean of its divisors is an integer number (209835904).

Almost surely, 2^1468394557 is an apocalyptic number.

It is an amenable number.

1468394557 is a deficient number, since it is larger than the sum of its proper divisors (210292675).

1468394557 is an equidigital number, since it uses as much as digits as its factorization.

1468394557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65259.

The product of its digits is 3628800, while the sum is 52.

The square root of 1468394557 is about 38319.6367023488. The cubic root of 1468394557 is about 1136.6172826024.

The spelling of 1468394557 in words is "one billion, four hundred sixty-eight million, three hundred ninety-four thousand, five hundred fifty-seven".