2134046878638 has 32 divisors (see below), whose sum is σ = 4379908982400. Its totient is φ = 692906207136.

The previous prime is 2134046878567. The next prime is 2134046878669. The reversal of 2134046878638 is 8368786404312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24095508 + ... + 24183911.

It is an arithmetic number, because the mean of its divisors is an integer number (136872155700).

Almost surely, 2^{2134046878638} is an apocalyptic number.

2134046878638 is an abundant number, since it is smaller than the sum of its proper divisors (2245862103762).

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

2134046878638 is a wasteful number, since it uses less digits than its factorization.

2134046878638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48279616.

The product of its (nonzero) digits is 37158912, while the sum is 60.

The spelling of 2134046878638 in words is "two trillion, one hundred thirty-four billion, forty-six million, eight hundred seventy-eight thousand, six hundred thirty-eight".