1009901040149 has 4 divisors (see below), whose sum is σ = 1009990336320. Its totient is φ = 1009811743980.

The previous prime is 1009901040103. The next prime is 1009901040173. The reversal of 1009901040149 is 9410401099001.

1009901040149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-1009901040149 is a prime.

It is a super-2 number, since 2×1009901040149² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009901049149) 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, 44631119 + ... + 44653740.

It is an arithmetic number, because the mean of its divisors is an integer number (252497584080).

Almost surely, 2^{1009901040149} is an apocalyptic number.

It is an amenable number.

1009901040149 is a deficient number, since it is larger than the sum of its proper divisors (89296171).

1009901040149 is an equidigital number, since it uses as much as digits as its factorization.

1009901040149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89296170.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 1009901040149 in words is "one trillion, nine billion, nine hundred one million, forty thousand, one hundred forty-nine".