830628913021 has 8 divisors (see below), whose sum is σ = 863587980864. Its totient is φ = 798274598880.

The previous prime is 830628912991. The next prime is 830628913039. The reversal of 830628913021 is 120319826038.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 830628913021 - 2¹³ = 830628904829 is a prime.

It is a super-2 number, since 2×830628913021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830628913091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151185625 + ... + 151191118.

It is an arithmetic number, because the mean of its divisors is an integer number (107948497608).

Almost surely, 2^830628913021 is an apocalyptic number.

It is an amenable number.

830628913021 is a deficient number, since it is larger than the sum of its proper divisors (32959067843).

830628913021 is a wasteful number, since it uses less digits than its factorization.

830628913021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302376851.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 830628913021 in words is "eight hundred thirty billion, six hundred twenty-eight million, nine hundred thirteen thousand, twenty-one".