4538338162786 has 4 divisors (see below), whose sum is σ = 6807507244182. Its totient is φ = 2269169081392.

The previous prime is 4538338162759. The next prime is 4538338162801. The reversal of 4538338162786 is 6872618338354.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4538259041761 + 79121025 = 2130319^2 + 8895^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134584540695 + ... + 1134584540698.

Almost surely, 2^{4538338162786} is an apocalyptic number.

4538338162786 is a deficient number, since it is larger than the sum of its proper divisors (2269169081396).

4538338162786 is a wasteful number, since it uses less digits than its factorization.

4538338162786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269169081395.

The product of its digits is 139345920, while the sum is 64.

The spelling of 4538338162786 in words is "four trillion, five hundred thirty-eight billion, three hundred thirty-eight million, one hundred sixty-two thousand, seven hundred eighty-six".