642382753275 has 240 divisors, whose sum is σ = 1257325597440. Its totient is φ = 324942710400.

The previous prime is 642382753261. The next prime is 642382753289. The reversal of 642382753275 is 572357283246.

642382753275 is a `hidden beast` number, since 6 + 4 + 2 + 38 + 2 + 7 + 532 + 75 = 666.

It is an interprime number because it is at equal distance from previous prime (642382753261) and next prime (642382753289).

It is not a de Polignac number, because 642382753275 - 2⁶ = 642382753211 is a prime.

Its product of digits (16934400) is a multiple of the sum of its prime factors (540).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 2388039841 + ... + 2388040109.

It is an arithmetic number, because the mean of its divisors is an integer number (5238856656).

Almost surely, 2^642382753275 is an apocalyptic number.

642382753275 is a deficient number, since it is larger than the sum of its proper divisors (614942844165).

642382753275 is an equidigital number, since it uses as much as digits as its factorization.

642382753275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 511 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 54.

The spelling of 642382753275 in words is "six hundred forty-two billion, three hundred eighty-two million, seven hundred fifty-three thousand, two hundred seventy-five".