498811620427 has 2 divisors, whose sum is σ = 498811620428. Its totient is φ = 498811620426.

The previous prime is 498811620379. The next prime is 498811620431. The reversal of 498811620427 is 724026118894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 498811620427 - 2¹⁹ = 498811096139 is a prime.

It is not a weakly prime, because it can be changed into another prime (498811620497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249405810213 + 249405810214.

It is an arithmetic number, because the mean of its divisors is an integer number (249405810214).

Almost surely, 2^498811620427 is an apocalyptic number.

498811620427 is a deficient number, since it is larger than the sum of its proper divisors (1).

498811620427 is an equidigital number, since it uses as much as digits as its factorization.

498811620427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 498811620427 in words is "four hundred ninety-eight billion, eight hundred eleven million, six hundred twenty thousand, four hundred twenty-seven".