9862145812 has 6 divisors (see below), whose sum is σ = 17258755178. Its totient is φ = 4931072904.

The previous prime is 9862145807. The next prime is 9862145837. The reversal of 9862145812 is 2185412689.

It can be written as a sum of positive squares in only one way, i.e., 8605159696 + 1256986116 = 92764^2 + 35454^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1232768223 + ... + 1232768230.

Almost surely, 2^9862145812 is an apocalyptic number.

It is an amenable number.

9862145812 is a deficient number, since it is larger than the sum of its proper divisors (7396609366).

9862145812 is a wasteful number, since it uses less digits than its factorization.

9862145812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465536457 (or 2465536455 counting only the distinct ones).

The product of its digits is 276480, while the sum is 46.

The square root of 9862145812 is about 99308.3370719699. The cubic root of 9862145812 is about 2144.4889186855.

The spelling of 9862145812 in words is "nine billion, eight hundred sixty-two million, one hundred forty-five thousand, eight hundred twelve".