7447164041 has 4 divisors (see below), whose sum is σ = 7885232532. Its totient is φ = 7009095552.

The previous prime is 7447164031. The next prime is 7447164047. The reversal of 7447164041 is 1404617447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1404617447 = 1117 ⋅1257491.

It can be written as a sum of positive squares in 2 ways, for example, as 4966725625 + 2480438416 = 70475^2 + 49804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7447164041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7447163986 and 7447164004.

It is not an unprimeable number, because it can be changed into a prime (7447164047) 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, 219034220 + ... + 219034253.

It is an arithmetic number, because the mean of its divisors is an integer number (1971308133).

Almost surely, 2^7447164041 is an apocalyptic number.

It is an amenable number.

7447164041 is a deficient number, since it is larger than the sum of its proper divisors (438068491).

7447164041 is a wasteful number, since it uses less digits than its factorization.

7447164041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438068490.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 7447164041 is about 86296.9526750510. The cubic root of 7447164041 is about 1952.8264111428.

The spelling of 7447164041 in words is "seven billion, four hundred forty-seven million, one hundred sixty-four thousand, forty-one".