830486304891 has 8 divisors (see below), whose sum is σ = 1230350081360. Its totient is φ = 553657536576.

The previous prime is 830486304863. The next prime is 830486304917. The reversal of 830486304891 is 198403684038.

830486304891 is a `hidden beast` number, since 8 + 3 + 0 + 486 + 30 + 48 + 91 = 666.

It is not a de Polignac number, because 830486304891 - 2⁶ = 830486304827 is a prime.

It is a super-2 number, since 2×830486304891² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (830486304821) 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, 15379375990 + ... + 15379376043.

It is an arithmetic number, because the mean of its divisors is an integer number (153793760170).

Almost surely, 2^830486304891 is an apocalyptic number.

830486304891 is a deficient number, since it is larger than the sum of its proper divisors (399863776469).

830486304891 is a wasteful number, since it uses less digits than its factorization.

830486304891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30758752042 (or 30758752036 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 54.

The spelling of 830486304891 in words is "eight hundred thirty billion, four hundred eighty-six million, three hundred four thousand, eight hundred ninety-one".