498154919 has 2 divisors, whose sum is σ = 498154920. Its totient is φ = 498154918.

The previous prime is 498154873. The next prime is 498154933. The reversal of 498154919 is 919451894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 498154919 - 2²⁰ = 497106343 is a prime.

It is a super-2 number, since 2×498154919² = 496316646647793122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498154949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249077459 + 249077460.

It is an arithmetic number, because the mean of its divisors is an integer number (249077460).

Almost surely, 2^498154919 is an apocalyptic number.

498154919 is a deficient number, since it is larger than the sum of its proper divisors (1).

498154919 is an equidigital number, since it uses as much as digits as its factorization.

498154919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 50.

The square root of 498154919 is about 22319.3843777108. The cubic root of 498154919 is about 792.7230281143.

The spelling of 498154919 in words is "four hundred ninety-eight million, one hundred fifty-four thousand, nine hundred nineteen".