7528381464577 has 2 divisors, whose sum is σ = 7528381464578. Its totient is φ = 7528381464576.

The previous prime is 7528381464533. The next prime is 7528381464641. The reversal of 7528381464577 is 7754641838257.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6360892570561 + 1167488894016 = 2522081^2 + 1080504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7528381464577 is a prime.

It is not a weakly prime, because it can be changed into another prime (7528381464077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3764190732288 + 3764190732289.

It is an arithmetic number, because the mean of its divisors is an integer number (3764190732289).

Almost surely, 2^{7528381464577} is an apocalyptic number.

It is an amenable number.

7528381464577 is a deficient number, since it is larger than the sum of its proper divisors (1).

7528381464577 is an equidigital number, since it uses as much as digits as its factorization.

7528381464577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 316108800, while the sum is 67.

The spelling of 7528381464577 in words is "seven trillion, five hundred twenty-eight billion, three hundred eighty-one million, four hundred sixty-four thousand, five hundred seventy-seven".