498149077 has 2 divisors, whose sum is σ = 498149078. Its totient is φ = 498149076.

The previous prime is 498149063. The next prime is 498149081. The reversal of 498149077 is 770941894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455651716 + 42497361 = 21346^2 + 6519^2 .

It is a cyclic number.

It is not a de Polignac number, because 498149077 - 2⁷ = 498148949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 498149077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498149017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249074538 + 249074539.

It is an arithmetic number, because the mean of its divisors is an integer number (249074539).

Almost surely, 2^498149077 is an apocalyptic number.

It is an amenable number.

498149077 is a deficient number, since it is larger than the sum of its proper divisors (1).

498149077 is an equidigital number, since it uses as much as digits as its factorization.

498149077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 498149077 is about 22319.2535045418. The cubic root of 498149077 is about 792.7199292751.

The spelling of 498149077 in words is "four hundred ninety-eight million, one hundred forty-nine thousand, seventy-seven".