498651814897 has 4 divisors (see below), whose sum is σ = 524896647280. Its totient is φ = 472406982516.

The previous prime is 498651814889. The next prime is 498651814907. The reversal of 498651814897 is 798418156894.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 498651814897 - 2³ = 498651814889 is a prime.

It is a super-2 number, since 2×498651814897² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498651814597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13122416163 + ... + 13122416200.

It is an arithmetic number, because the mean of its divisors is an integer number (131224161820).

Almost surely, 2^498651814897 is an apocalyptic number.

It is an amenable number.

498651814897 is a deficient number, since it is larger than the sum of its proper divisors (26244832383).

498651814897 is a wasteful number, since it uses less digits than its factorization.

498651814897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26244832382.

The product of its digits is 139345920, while the sum is 70.

The spelling of 498651814897 in words is "four hundred ninety-eight billion, six hundred fifty-one million, eight hundred fourteen thousand, eight hundred ninety-seven".