864193298103 has 48 divisors (see below), whose sum is σ = 1340676320256. Its totient is φ = 555928440480.

The previous prime is 864193298093. The next prime is 864193298159. The reversal of 864193298103 is 301892391468.

864193298103 is a `hidden beast` number, since 8 + 6 + 419 + 32 + 98 + 103 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-864193298103 is a prime.

It is a super-2 number, since 2×864193298103² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 864193298103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864193298173) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 278025 + ... + 1343757.

It is an arithmetic number, because the mean of its divisors is an integer number (27930756672).

Almost surely, 2^864193298103 is an apocalyptic number.

864193298103 is a deficient number, since it is larger than the sum of its proper divisors (476483022153).

864193298103 is a wasteful number, since it uses less digits than its factorization.

864193298103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065866 (or 1065854 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 864193298103 in words is "eight hundred sixty-four billion, one hundred ninety-three million, two hundred ninety-eight thousand, one hundred three".