642612014265 has 64 divisors (see below), whose sum is σ = 1158646487040. Its totient is φ = 301963438080.

The previous prime is 642612014237. The next prime is 642612014267. The reversal of 642612014265 is 562410216246.

It is not a de Polignac number, because 642612014265 - 2²² = 642607819961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (642612014267) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 286830 + ... + 1169399.

It is an arithmetic number, because the mean of its divisors is an integer number (18103851360).

Almost surely, 2^642612014265 is an apocalyptic number.

642612014265 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

642612014265 is a deficient number, since it is larger than the sum of its proper divisors (516034472775).

642612014265 is a wasteful number, since it uses less digits than its factorization.

642612014265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456354.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 642612014265 in words is "six hundred forty-two billion, six hundred twelve million, fourteen thousand, two hundred sixty-five".