7643130401 has 8 divisors (see below), whose sum is σ = 7701314664. Its totient is φ = 7584981120.

The previous prime is 7643130389. The next prime is 7643130403. The reversal of 7643130401 is 1040313467.

It can be written as a sum of positive squares in 4 ways, for example, as 5215006225 + 2428124176 = 72215^2 + 49276^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7643130401 - 2¹⁸ = 7642868257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7643130403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577211 + ... + 590303.

It is an arithmetic number, because the mean of its divisors is an integer number (962664333).

Almost surely, 2^7643130401 is an apocalyptic number.

It is an amenable number.

7643130401 is a deficient number, since it is larger than the sum of its proper divisors (58184263).

7643130401 is a wasteful number, since it uses less digits than its factorization.

7643130401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17491.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 7643130401 is about 87424.9987189019. The cubic root of 7643130401 is about 1969.8073626987.

Adding to 7643130401 its reverse (1040313467), we get a palindrome (8683443868).

The spelling of 7643130401 in words is "seven billion, six hundred forty-three million, one hundred thirty thousand, four hundred one".