10000900901 has 2 divisors, whose sum is σ = 10000900902. Its totient is φ = 10000900900.

The previous prime is 10000900891. The next prime is 10000900907. The reversal of 10000900901 is 10900900001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5908228225 + 4092672676 = 76865^2 + 63974^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000900901 - 2²² = 9996706597 is a prime.

It is a super-2 number, since 2×10000900901² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000900907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000450450 + 5000450451.

It is an arithmetic number, because the mean of its divisors is an integer number (5000450451).

Almost surely, 2^10000900901 is an apocalyptic number.

It is an amenable number.

10000900901 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000900901 is an equidigital number, since it uses as much as digits as its factorization.

10000900901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 20.

The spelling of 10000900901 in words is "ten billion, nine hundred thousand, nine hundred one".