65387650863 has 32 divisors (see below), whose sum is σ = 88401772800. Its totient is φ = 42987859200.

The previous prime is 65387650841. The next prime is 65387650877. The reversal of 65387650863 is 36805678356.

It is not a de Polignac number, because 65387650863 - 2⁵ = 65387650831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65387650063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53203333 + ... + 53204561.

It is an arithmetic number, because the mean of its divisors is an integer number (2762555400).

Almost surely, 2^65387650863 is an apocalyptic number.

65387650863 is a deficient number, since it is larger than the sum of its proper divisors (23014121937).

65387650863 is a wasteful number, since it uses less digits than its factorization.

65387650863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103.

The product of its (nonzero) digits is 21772800, while the sum is 57.

The spelling of 65387650863 in words is "sixty-five billion, three hundred eighty-seven million, six hundred fifty thousand, eight hundred sixty-three".