490138248245 has 16 divisors (see below), whose sum is σ = 611964549360. Its totient is φ = 376401145344.

The previous prime is 490138248227. The next prime is 490138248277. The reversal of 490138248245 is 542842831094.

It can be written as a sum of positive squares in 8 ways, for example, as 44115961444 + 446022286801 = 210038^2 + 667849^2 .

It is a cyclic number.

It is not a de Polignac number, because 490138248245 - 2⁶ = 490138248181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 490138248193 and 490138248202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9744464 + ... + 9794633.

It is an arithmetic number, because the mean of its divisors is an integer number (38247784335).

Almost surely, 2^490138248245 is an apocalyptic number.

It is an amenable number.

490138248245 is a deficient number, since it is larger than the sum of its proper divisors (121826301115).

490138248245 is a wasteful number, since it uses less digits than its factorization.

490138248245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19539304.

The product of its (nonzero) digits is 2211840, while the sum is 50.

The spelling of 490138248245 in words is "four hundred ninety billion, one hundred thirty-eight million, two hundred forty-eight thousand, two hundred forty-five".