64336053765371 has 4 divisors (see below), whose sum is σ = 66554538378000. Its totient is φ = 62117569152744.

The previous prime is 64336053765307. The next prime is 64336053765407. The reversal of 64336053765371 is 17356735063346.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64336053765371 - 2⁶ = 64336053765307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64336053765371.

It is not an unprimeable number, because it can be changed into a prime (64336053755371) 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, 1109242306271 + ... + 1109242306328.

It is an arithmetic number, because the mean of its divisors is an integer number (16638634594500).

Almost surely, 2^{64336053765371} is an apocalyptic number.

64336053765371 is a deficient number, since it is larger than the sum of its proper divisors (2218484612629).

64336053765371 is a wasteful number, since it uses less digits than its factorization.

64336053765371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218484612628.

The product of its (nonzero) digits is 85730400, while the sum is 59.

The spelling of 64336053765371 in words is "sixty-four trillion, three hundred thirty-six billion, fifty-three million, seven hundred sixty-five thousand, three hundred seventy-one".