642076483 has 2 divisors, whose sum is σ = 642076484. Its totient is φ = 642076482.

The previous prime is 642076471. The next prime is 642076489. The reversal of 642076483 is 384670246.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 642076483 - 2⁹ = 642075971 is a prime.

It is not a weakly prime, because it can be changed into another prime (642076489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321038241 + 321038242.

It is an arithmetic number, because the mean of its divisors is an integer number (321038242).

Almost surely, 2^642076483 is an apocalyptic number.

642076483 is a deficient number, since it is larger than the sum of its proper divisors (1).

642076483 is an equidigital number, since it uses as much as digits as its factorization.

642076483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 642076483 is about 25339.2281453086. The cubic root of 642076483 is about 862.7048796491.

The spelling of 642076483 in words is "six hundred forty-two million, seventy-six thousand, four hundred eighty-three".