7545664733 has 2 divisors, whose sum is σ = 7545664734. Its totient is φ = 7545664732.

The previous prime is 7545664699. The next prime is 7545664793. The reversal of 7545664733 is 3374665457.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7544312164 + 1352569 = 86858^2 + 1163^2 .

It is a cyclic number.

It is not a de Polignac number, because 7545664733 - 2¹⁴ = 7545648349 is a prime.

It is a super-2 number, since 2×7545664733² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7545664793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3772832366 + 3772832367.

It is an arithmetic number, because the mean of its divisors is an integer number (3772832367).

Almost surely, 2^7545664733 is an apocalyptic number.

It is an amenable number.

7545664733 is a deficient number, since it is larger than the sum of its proper divisors (1).

7545664733 is an equidigital number, since it uses as much as digits as its factorization.

7545664733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6350400, while the sum is 50.

The square root of 7545664733 is about 86865.7857444460. The cubic root of 7545664733 is about 1961.3984824410.

The spelling of 7545664733 in words is "seven billion, five hundred forty-five million, six hundred sixty-four thousand, seven hundred thirty-three".