825529419487 has 2 divisors, whose sum is σ = 825529419488. Its totient is φ = 825529419486.

The previous prime is 825529419457. The next prime is 825529419529. The reversal of 825529419487 is 784914925528.

825529419487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-825529419487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825529419457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412764709743 + 412764709744.

It is an arithmetic number, because the mean of its divisors is an integer number (412764709744).

Almost surely, 2^825529419487 is an apocalyptic number.

825529419487 is a deficient number, since it is larger than the sum of its proper divisors (1).

825529419487 is an equidigital number, since it uses as much as digits as its factorization.

825529419487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58060800, while the sum is 64.

The spelling of 825529419487 in words is "eight hundred twenty-five billion, five hundred twenty-nine million, four hundred nineteen thousand, four hundred eighty-seven".