9941154409 has 4 divisors (see below), whose sum is σ = 9965460820. Its totient is φ = 9916848000.

The previous prime is 9941154401. The next prime is 9941154491. The reversal of 9941154409 is 9044511499.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3691777600 + 6249376809 = 60760^2 + 79053^2 .

It is a cyclic number.

It is not a de Polignac number, because 9941154409 - 2³ = 9941154401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9941154401) 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, 12152592 + ... + 12153409.

It is an arithmetic number, because the mean of its divisors is an integer number (2491365205).

Almost surely, 2^9941154409 is an apocalyptic number.

It is an amenable number.

9941154409 is a deficient number, since it is larger than the sum of its proper divisors (24306411).

9941154409 is a wasteful number, since it uses less digits than its factorization.

9941154409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24306410.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 9941154409 is about 99705.3379162821. The cubic root of 9941154409 is about 2150.2004074231.

The spelling of 9941154409 in words is "nine billion, nine hundred forty-one million, one hundred fifty-four thousand, four hundred nine".