642474060383 has 2 divisors, whose sum is σ = 642474060384. Its totient is φ = 642474060382.

The previous prime is 642474060287. The next prime is 642474060443. The reversal of 642474060383 is 383060474246.

642474060383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 642474060383 - 2³⁸ = 367596153439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (642474060083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321237030191 + 321237030192.

It is an arithmetic number, because the mean of its divisors is an integer number (321237030192).

Almost surely, 2^642474060383 is an apocalyptic number.

642474060383 is a deficient number, since it is larger than the sum of its proper divisors (1).

642474060383 is an equidigital number, since it uses as much as digits as its factorization.

642474060383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 47.

The spelling of 642474060383 in words is "six hundred forty-two billion, four hundred seventy-four million, sixty thousand, three hundred eighty-three".