64857714341899 has 8 divisors (see below), whose sum is σ = 64870245989120. Its totient is φ = 64845183441600.

The previous prime is 64857714341887. The next prime is 64857714341969. The reversal of 64857714341899 is 99814341775846.

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 64857714341899 - 2⁵ = 64857714341867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64857714345899) 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, 192385417 + ... + 192722245.

It is an arithmetic number, because the mean of its divisors is an integer number (8108780748640).

Almost surely, 2^{64857714341899} is an apocalyptic number.

64857714341899 is a deficient number, since it is larger than the sum of its proper divisors (12531647221).

64857714341899 is a wasteful number, since it uses less digits than its factorization.

64857714341899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373461.

The product of its digits is 1463132160, while the sum is 76.

The spelling of 64857714341899 in words is "sixty-four trillion, eight hundred fifty-seven billion, seven hundred fourteen million, three hundred forty-one thousand, eight hundred ninety-nine".