500978963 has 2 divisors, whose sum is σ = 500978964. Its totient is φ = 500978962.

The previous prime is 500978957. The next prime is 500978983. The reversal of 500978963 is 369879005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 500978963 - 2¹² = 500974867 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (500978923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250489481 + 250489482.

It is an arithmetic number, because the mean of its divisors is an integer number (250489482).

Almost surely, 2^500978963 is an apocalyptic number.

500978963 is a deficient number, since it is larger than the sum of its proper divisors (1).

500978963 is an equidigital number, since it uses as much as digits as its factorization.

500978963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 500978963 is about 22382.5593487429. The cubic root of 500978963 is about 794.2181905800.

The spelling of 500978963 in words is "five hundred million, nine hundred seventy-eight thousand, nine hundred sixty-three".