64857714341974 has 8 divisors (see below), whose sum is σ = 98656804914768. Its totient is φ = 31972112703720.

The previous prime is 64857714341971. The next prime is 64857714342049. The reversal of 64857714341974 is 47914341775846.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64857714341971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228372233457 + ... + 228372233740.

It is an arithmetic number, because the mean of its divisors is an integer number (12332100614346).

Almost surely, 2^{64857714341974} is an apocalyptic number.

64857714341974 is a deficient number, since it is larger than the sum of its proper divisors (33799090572794).

64857714341974 is a wasteful number, since it uses less digits than its factorization.

64857714341974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456744467270.

The product of its digits is 568995840, while the sum is 70.

The spelling of 64857714341974 in words is "sixty-four trillion, eight hundred fifty-seven billion, seven hundred fourteen million, three hundred forty-one thousand, nine hundred seventy-four".