64942893519336 has 192 divisors, whose sum is σ = 211927207032000. Its totient is φ = 18371398147200.

The previous prime is 64942893519319. The next prime is 64942893519349. The reversal of 64942893519336 is 63391539824946.

64942893519336 is a `hidden beast` number, since 6 + 4 + 9 + 4 + 289 + 3 + 5 + 1 + 9 + 336 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29307006 + ... + 31444973.

It is an arithmetic number, because the mean of its divisors is an integer number (1103787536625).

Almost surely, 2^{64942893519336} is an apocalyptic number.

It is an amenable number.

64942893519336 is an abundant number, since it is smaller than the sum of its proper divisors (146984313512664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64942893519336 is a wasteful number, since it uses less digits than its factorization.

64942893519336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60752109 (or 60752092 counting only the distinct ones).

The product of its digits is 906992640, while the sum is 72.

The spelling of 64942893519336 in words is "sixty-four trillion, nine hundred forty-two billion, eight hundred ninety-three million, five hundred nineteen thousand, three hundred thirty-six".