2638127154342 has 16 divisors (see below), whose sum is σ = 5388515039232. Its totient is φ = 860665596360.

The previous prime is 2638127154211. The next prime is 2638127154353. The reversal of 2638127154342 is 2434517218362.

It is a junction number, because it is equal to n+sod(n) for n = 2638127154291 and 2638127154300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4677530134 + ... + 4677530697.

It is an arithmetic number, because the mean of its divisors is an integer number (336782189952).

Almost surely, 2^{2638127154342} is an apocalyptic number.

2638127154342 is an abundant number, since it is smaller than the sum of its proper divisors (2750387884890).

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

2638127154342 is a wasteful number, since it uses less digits than its factorization.

2638127154342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9355060883.

The product of its digits is 1935360, while the sum is 48.

The spelling of 2638127154342 in words is "two trillion, six hundred thirty-eight billion, one hundred twenty-seven million, one hundred fifty-four thousand, three hundred forty-two".