642882376753 has 2 divisors, whose sum is σ = 642882376754. Its totient is φ = 642882376752.

The previous prime is 642882376739. The next prime is 642882376757. The reversal of 642882376753 is 357673288246.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 638437754529 + 4444622224 = 799023^2 + 66668^2 .

It is a cyclic number.

It is not a de Polignac number, because 642882376753 - 2²⁵ = 642848822321 is a prime.

It is a super-3 number, since 3×642882376753³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 642882376691 and 642882376700.

It is not a weakly prime, because it can be changed into another prime (642882376757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321441188376 + 321441188377.

It is an arithmetic number, because the mean of its divisors is an integer number (321441188377).

Almost surely, 2^642882376753 is an apocalyptic number.

It is an amenable number.

642882376753 is a deficient number, since it is larger than the sum of its proper divisors (1).

642882376753 is an equidigital number, since it uses as much as digits as its factorization.

642882376753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81285120, while the sum is 61.

The spelling of 642882376753 in words is "six hundred forty-two billion, eight hundred eighty-two million, three hundred seventy-six thousand, seven hundred fifty-three".