10001009258 has 4 divisors (see below), whose sum is σ = 15001513890. Its totient is φ = 5000504628.

The previous prime is 10001009251. The next prime is 10001009267. The reversal of 10001009258 is 85290010001.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 6455640409 + 3545368849 = 80347^2 + 59543^2 .

It is not an unprimeable number, because it can be changed into a prime (10001009251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500252313 + ... + 2500252316.

Almost surely, 2^10001009258 is an apocalyptic number.

10001009258 is a deficient number, since it is larger than the sum of its proper divisors (5000504632).

10001009258 is an equidigital number, since it uses as much as digits as its factorization.

10001009258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000504631.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 10001009258 its reverse (85290010001), we get a palindrome (95291019259).

The spelling of 10001009258 in words is "ten billion, one million, nine thousand, two hundred fifty-eight".