1464605857 has 8 divisors (see below), whose sum is σ = 1720656000. Its totient is φ = 1229039760.

The previous prime is 1464605851. The next prime is 1464605873. The reversal of 1464605857 is 7585064641.

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

It is a de Polignac number, because none of the positive numbers 2^k-1464605857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1464605851) 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, 5120857 + ... + 5121142.

It is an arithmetic number, because the mean of its divisors is an integer number (215082000).

Almost surely, 2^1464605857 is an apocalyptic number.

It is an amenable number.

1464605857 is a deficient number, since it is larger than the sum of its proper divisors (256050143).

1464605857 is a wasteful number, since it uses less digits than its factorization.

1464605857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10242023.

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 1464605857 is about 38270.1692836601. The cubic root of 1464605857 is about 1135.6388873311.

The spelling of 1464605857 in words is "one billion, four hundred sixty-four million, six hundred five thousand, eight hundred fifty-seven".