2368894065438 has 32 divisors (see below), whose sum is σ = 4772733662592. Its totient is φ = 783819050400.

The previous prime is 2368894065431. The next prime is 2368894065463. The reversal of 2368894065438 is 8345604988632.

It is a super-2 number, since 2×2368894065438² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2368894065431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700173 + ... + 2286488.

It is an arithmetic number, because the mean of its divisors is an integer number (149147926956).

Almost surely, 2^{2368894065438} is an apocalyptic number.

2368894065438 is an abundant number, since it is smaller than the sum of its proper divisors (2403839597154).

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

2368894065438 is a wasteful number, since it uses less digits than its factorization.

2368894065438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987640.

The product of its (nonzero) digits is 238878720, while the sum is 66.

The spelling of 2368894065438 in words is "two trillion, three hundred sixty-eight billion, eight hundred ninety-four million, sixty-five thousand, four hundred thirty-eight".