490608698069 has 4 divisors (see below), whose sum is σ = 560695654944. Its totient is φ = 420521741196.

The previous prime is 490608698053. The next prime is 490608698071. The reversal of 490608698069 is 960896806094.

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, and also an emirpimes, since its reverse is a distinct semiprime: 960896806094 = 2 ⋅480448403047.

It is a cyclic number.

It is not a de Polignac number, because 490608698069 - 2⁴ = 490608698053 is a prime.

It is a super-2 number, since 2×490608698069² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490608697996 and 490608698014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490608698089) 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, 35043478427 + ... + 35043478440.

It is an arithmetic number, because the mean of its divisors is an integer number (140173913736).

Almost surely, 2^490608698069 is an apocalyptic number.

It is an amenable number.

490608698069 is a deficient number, since it is larger than the sum of its proper divisors (70086956875).

490608698069 is an equidigital number, since it uses as much as digits as its factorization.

490608698069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70086956874.

The product of its (nonzero) digits is 40310784, while the sum is 65.

The spelling of 490608698069 in words is "four hundred ninety billion, six hundred eight million, six hundred ninety-eight thousand, sixty-nine".