830528318639 has 2 divisors, whose sum is σ = 830528318640. Its totient is φ = 830528318638.

The previous prime is 830528318597. The next prime is 830528318749. The reversal of 830528318639 is 936813825038.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 830528318639 - 2²⁴ = 830511541423 is a prime.

It is a super-2 number, since 2×830528318639² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830528318339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415264159319 + 415264159320.

It is an arithmetic number, because the mean of its divisors is an integer number (415264159320).

Almost surely, 2^830528318639 is an apocalyptic number.

830528318639 is a deficient number, since it is larger than the sum of its proper divisors (1).

830528318639 is an equidigital number, since it uses as much as digits as its factorization.

830528318639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 56.

The spelling of 830528318639 in words is "eight hundred thirty billion, five hundred twenty-eight million, three hundred eighteen thousand, six hundred thirty-nine".