498256053857 has 2 divisors, whose sum is σ = 498256053858. Its totient is φ = 498256053856.

The previous prime is 498256053793. The next prime is 498256053877. The reversal of 498256053857 is 758350652894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 461857519201 + 36398534656 = 679601^2 + 190784^2 .

It is a cyclic number.

It is not a de Polignac number, because 498256053857 - 2⁶ = 498256053793 is a prime.

It is a super-3 number, since 3×498256053857³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 498256053857.

It is not a weakly prime, because it can be changed into another prime (498256053877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249128026928 + 249128026929.

It is an arithmetic number, because the mean of its divisors is an integer number (249128026929).

Almost surely, 2^498256053857 is an apocalyptic number.

It is an amenable number.

498256053857 is a deficient number, since it is larger than the sum of its proper divisors (1).

498256053857 is an equidigital number, since it uses as much as digits as its factorization.

498256053857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576000, while the sum is 62.

The spelling of 498256053857 in words is "four hundred ninety-eight billion, two hundred fifty-six million, fifty-three thousand, eight hundred fifty-seven".