10303979868 has 120 divisors (see below), whose sum is σ = 33152880992. Its totient is φ = 2717525376.

The previous prime is 10303979843. The next prime is 10303979869. The reversal of 10303979868 is 86897930301.

10303979868 is a `hidden beast` number, since 103 + 0 + 397 + 98 + 68 = 666.

It is a super-2 number, since 2×10303979868² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10303979869) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 145255 + ... + 204222.

Almost surely, 2^10303979868 is an apocalyptic number.

10303979868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10303979868 is an abundant number, since it is smaller than the sum of its proper divisors (22848901124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10303979868 is a wasteful number, since it uses less digits than its factorization.

10303979868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349513 (or 349502 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 10303979868 in words is "ten billion, three hundred three million, nine hundred seventy-nine thousand, eight hundred sixty-eight".