18860969346 has 16 divisors (see below), whose sum is σ = 38938775808. Its totient is φ = 6084183600.

The previous prime is 18860969341. The next prime is 18860969357. The reversal of 18860969346 is 64396906881.

It is a self number, because there is not a number n which added to its sum of digits gives 18860969346.

It is not an unprimeable number, because it can be changed into a prime (18860969341) 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, 50701345 + ... + 50701716.

It is an arithmetic number, because the mean of its divisors is an integer number (2433673488).

Almost surely, 2^18860969346 is an apocalyptic number.

18860969346 is an abundant number, since it is smaller than the sum of its proper divisors (20077806462).

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

18860969346 is a wasteful number, since it uses less digits than its factorization.

18860969346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101403097.

The product of its (nonzero) digits is 13436928, while the sum is 60.

The spelling of 18860969346 in words is "eighteen billion, eight hundred sixty million, nine hundred sixty-nine thousand, three hundred forty-six".