7725957433 has 2 divisors, whose sum is σ = 7725957434. Its totient is φ = 7725957432.

The previous prime is 7725957401. The next prime is 7725957451. The reversal of 7725957433 is 3347595277.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7650476089 + 75481344 = 87467^2 + 8688^2 .

It is a cyclic number.

It is not a de Polignac number, because 7725957433 - 2⁵ = 7725957401 is a prime.

It is a super-5 number, since 5×7725957433⁵ (a number of 51 digits) contains 55555 as substring. Note that it is a super-d number also for d = 4.

It is not a weakly prime, because it can be changed into another prime (7725957133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3862978716 + 3862978717.

It is an arithmetic number, because the mean of its divisors is an integer number (3862978717).

Almost surely, 2^7725957433 is an apocalyptic number.

It is an amenable number.

7725957433 is a deficient number, since it is larger than the sum of its proper divisors (1).

7725957433 is an equidigital number, since it uses as much as digits as its factorization.

7725957433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5556600, while the sum is 52.

The square root of 7725957433 is about 87897.4256335190. The cubic root of 7725957433 is about 1976.8972791230.

The spelling of 7725957433 in words is "seven billion, seven hundred twenty-five million, nine hundred fifty-seven thousand, four hundred thirty-three".