65063867949 has 12 divisors (see below), whose sum is σ = 97461926016. Its totient is φ = 43375911804.

The previous prime is 65063867903. The next prime is 65063867951. The reversal of 65063867949 is 94976836056.

65063867949 is a `hidden beast` number, since 6 + 506 + 3 + 86 + 7 + 9 + 49 = 666.

It is not a de Polignac number, because 65063867949 - 2⁹ = 65063867437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65063867549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133876029 + ... + 133876514.

It is an arithmetic number, because the mean of its divisors is an integer number (8121827168).

Almost surely, 2^65063867949 is an apocalyptic number.

It is an amenable number.

65063867949 is a deficient number, since it is larger than the sum of its proper divisors (32398058067).

65063867949 is an equidigital number, since it uses as much as digits as its factorization.

65063867949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267752558 (or 267752546 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 65063867949 in words is "sixty-five billion, sixty-three million, eight hundred sixty-seven thousand, nine hundred forty-nine".