9464143841 has 4 divisors (see below), whose sum is σ = 9478124052. Its totient is φ = 9450163632.

The previous prime is 9464143757. The next prime is 9464143849. The reversal of 9464143841 is 1483414649.

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 9429381025 + 34762816 = 97105^2 + 5896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9464143841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9464143792 and 9464143801.

It is not an unprimeable number, because it can be changed into a prime (9464143849) 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, 6989090 + ... + 6990443.

It is an arithmetic number, because the mean of its divisors is an integer number (2369531013).

Almost surely, 2^9464143841 is an apocalyptic number.

It is an amenable number.

9464143841 is a deficient number, since it is larger than the sum of its proper divisors (13980211).

9464143841 is a wasteful number, since it uses less digits than its factorization.

9464143841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13980210.

The product of its digits is 331776, while the sum is 44.

The square root of 9464143841 is about 97283.8313441653. The cubic root of 9464143841 is about 2115.2438649705.

The spelling of 9464143841 in words is "nine billion, four hundred sixty-four million, one hundred forty-three thousand, eight hundred forty-one".