7476646081 has 2 divisors, whose sum is σ = 7476646082. Its totient is φ = 7476646080.

The previous prime is 7476646069. The next prime is 7476646127. The reversal of 7476646081 is 1806466747.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7207161025 + 269485056 = 84895^2 + 16416^2 .

It is a cyclic number.

It is not a de Polignac number, because 7476646081 - 2¹⁷ = 7476515009 is a prime.

It is a super-2 number, since 2×7476646081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7476646181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3738323040 + 3738323041.

It is an arithmetic number, because the mean of its divisors is an integer number (3738323041).

Almost surely, 2^7476646081 is an apocalyptic number.

It is an amenable number.

7476646081 is a deficient number, since it is larger than the sum of its proper divisors (1).

7476646081 is an equidigital number, since it uses as much as digits as its factorization.

7476646081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The square root of 7476646081 is about 86467.6013371482. The cubic root of 7476646081 is about 1955.3999858367.

The spelling of 7476646081 in words is "seven billion, four hundred seventy-six million, six hundred forty-six thousand, eighty-one".