1009641819101 has 4 divisors (see below), whose sum is σ = 1010159320704. Its totient is φ = 1009124317500.

The previous prime is 1009641819083. The next prime is 1009641819107. The reversal of 1009641819101 is 1019181469001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1009641819101 - 2⁶ = 1009641819037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009641819107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258747875 + ... + 258751776.

It is an arithmetic number, because the mean of its divisors is an integer number (252539830176).

Almost surely, 2^{1009641819101} is an apocalyptic number.

It is an amenable number.

1009641819101 is a deficient number, since it is larger than the sum of its proper divisors (517501603).

1009641819101 is an equidigital number, since it uses as much as digits as its factorization.

1009641819101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517501602.

The product of its (nonzero) digits is 15552, while the sum is 41.

The spelling of 1009641819101 in words is "one trillion, nine billion, six hundred forty-one million, eight hundred nineteen thousand, one hundred one".