2138406724862 has 8 divisors (see below), whose sum is σ = 3285844479792. Its totient is φ = 1043125231600.

The previous prime is 2138406724847. The next prime is 2138406724879. The reversal of 2138406724862 is 2684276048312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13039065314 + ... + 13039065477.

It is an arithmetic number, because the mean of its divisors is an integer number (410730559974).

Almost surely, 2^{2138406724862} is an apocalyptic number.

2138406724862 is a deficient number, since it is larger than the sum of its proper divisors (1147437754930).

2138406724862 is a wasteful number, since it uses less digits than its factorization.

2138406724862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26078130834.

The product of its (nonzero) digits is 6193152, while the sum is 53.

The spelling of 2138406724862 in words is "two trillion, one hundred thirty-eight billion, four hundred six million, seven hundred twenty-four thousand, eight hundred sixty-two".