7531882851457 has 2 divisors, whose sum is σ = 7531882851458. Its totient is φ = 7531882851456.

The previous prime is 7531882851413. The next prime is 7531882851487. The reversal of 7531882851457 is 7541582881357.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3966247503936 + 3565635347521 = 1991544^2 + 1888289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7531882851457 is a prime.

It is not a weakly prime, because it can be changed into another prime (7531882851487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3765941425728 + 3765941425729.

It is an arithmetic number, because the mean of its divisors is an integer number (3765941425729).

Almost surely, 2^{7531882851457} is an apocalyptic number.

It is an amenable number.

7531882851457 is a deficient number, since it is larger than the sum of its proper divisors (1).

7531882851457 is an equidigital number, since it uses as much as digits as its factorization.

7531882851457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264000, while the sum is 64.

The spelling of 7531882851457 in words is "seven trillion, five hundred thirty-one billion, eight hundred eighty-two million, eight hundred fifty-one thousand, four hundred fifty-seven".