2904642890258 has 6 divisors (see below), whose sum is σ = 4356967950759. Its totient is φ = 1452320240006.

The previous prime is 2904642890257. The next prime is 2904642890297. The reversal of 2904642890258 is 8520982464092.

It can be written as a sum of positive squares in only one way, i.e., 1452321445129 + 1452321445129 = 1205123^2 + 1205123^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1205123.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2904642890197 and 2904642890206.

It is not an unprimeable number, because it can be changed into a prime (2904642890257) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1807685 + ... + 3012807.

Almost surely, 2^{2904642890258} is an apocalyptic number.

2904642890258 is a deficient number, since it is larger than the sum of its proper divisors (1452325060501).

2904642890258 is an frugal number, since it uses more digits than its factorization.

2904642890258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410248 (or 1205125 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 59.

The spelling of 2904642890258 in words is "two trillion, nine hundred four billion, six hundred forty-two million, eight hundred ninety thousand, two hundred fifty-eight".