642060817119 has 24 divisors (see below), whose sum is σ = 932917600992. Its totient is φ = 425504456640.

The previous prime is 642060817117. The next prime is 642060817127. The reversal of 642060817119 is 911718060246.

642060817119 is a `hidden beast` number, since 6 + 4 + 20 + 608 + 1 + 7 + 1 + 19 = 666.

It is not a de Polignac number, because 642060817119 - 2¹ = 642060817117 is a prime.

It is a super-2 number, since 2×642060817119² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642060817117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12316329 + ... + 12368349.

It is an arithmetic number, because the mean of its divisors is an integer number (38871566708).

Almost surely, 2^642060817119 is an apocalyptic number.

642060817119 is a deficient number, since it is larger than the sum of its proper divisors (290856783873).

642060817119 is a wasteful number, since it uses less digits than its factorization.

642060817119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60127 (or 60124 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 642060817119 in words is "six hundred forty-two billion, sixty million, eight hundred seventeen thousand, one hundred nineteen".