500555505451 has 2 divisors, whose sum is σ = 500555505452. Its totient is φ = 500555505450.

The previous prime is 500555505379. The next prime is 500555505511. The reversal of 500555505451 is 154505555005.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 500555505451 - 2³⁵ = 466195767083 is a prime.

It is not a weakly prime, because it can be changed into another prime (500555505851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250277752725 + 250277752726.

It is an arithmetic number, because the mean of its divisors is an integer number (250277752726).

Almost surely, 2^500555505451 is an apocalyptic number.

500555505451 is a deficient number, since it is larger than the sum of its proper divisors (1).

500555505451 is an equidigital number, since it uses as much as digits as its factorization.

500555505451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 312500, while the sum is 40.

The spelling of 500555505451 in words is "five hundred billion, five hundred fifty-five million, five hundred five thousand, four hundred fifty-one".