290819115049 has 4 divisors (see below), whose sum is σ = 292325950036. Its totient is φ = 289312280064.

The previous prime is 290819115017. The next prime is 290819115127. The reversal of 290819115049 is 940511918092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30846599424 + 259972515625 = 175632^2 + 509875^2 .

It is a cyclic number.

It is not a de Polignac number, because 290819115049 - 2⁵ = 290819115017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 290819114993 and 290819115011.

It is not an unprimeable number, because it can be changed into a prime (290819115649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753417204 + ... + 753417589.

It is an arithmetic number, because the mean of its divisors is an integer number (73081487509).

Almost surely, 2^290819115049 is an apocalyptic number.

It is an amenable number.

290819115049 is a deficient number, since it is larger than the sum of its proper divisors (1506834987).

290819115049 is a wasteful number, since it uses less digits than its factorization.

290819115049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506834986.

The product of its (nonzero) digits is 233280, while the sum is 49.

The spelling of 290819115049 in words is "two hundred ninety billion, eight hundred nineteen million, one hundred fifteen thousand, forty-nine".