10202504489 has 2 divisors, whose sum is σ = 10202504490. Its totient is φ = 10202504488.

The previous prime is 10202504467. The next prime is 10202504549. The reversal of 10202504489 is 98440520201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9828739600 + 373764889 = 99140^2 + 19333^2 .

It is an emirp because it is prime and its reverse (98440520201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10202504489 - 2²⁴ = 10185727273 is a prime.

It is a super-2 number, since 2×10202504489² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10202504419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101252244 + 5101252245.

It is an arithmetic number, because the mean of its divisors is an integer number (5101252245).

Almost surely, 2^10202504489 is an apocalyptic number.

It is an amenable number.

10202504489 is a deficient number, since it is larger than the sum of its proper divisors (1).

10202504489 is an equidigital number, since it uses as much as digits as its factorization.

10202504489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 10202504489 in words is "ten billion, two hundred two million, five hundred four thousand, four hundred eighty-nine".