830528918749 has 4 divisors (see below), whose sum is σ = 830588652864. Its totient is φ = 830469184636.

The previous prime is 830528918711. The next prime is 830528918753. The reversal of 830528918749 is 947819825038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 947819825038 = 2 ⋅473909912519.

It is a cyclic number.

It is not a de Polignac number, because 830528918749 - 2³⁵ = 796169180381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830528318749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29846197 + ... + 29874010.

It is an arithmetic number, because the mean of its divisors is an integer number (207647163216).

Almost surely, 2^830528918749 is an apocalyptic number.

It is an amenable number.

830528918749 is a deficient number, since it is larger than the sum of its proper divisors (59734115).

830528918749 is a wasteful number, since it uses less digits than its factorization.

830528918749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59734114.

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 830528918749 in words is "eight hundred thirty billion, five hundred twenty-eight million, nine hundred eighteen thousand, seven hundred forty-nine".