2121606606534 has 16 divisors (see below), whose sum is σ = 4244339077680. Its totient is φ = 707014558080.

The previous prime is 2121606606503. The next prime is 2121606606547. The reversal of 2121606606534 is 4356066061212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46886527 + ... + 46931754.

It is an arithmetic number, because the mean of its divisors is an integer number (265271192355).

Almost surely, 2^{2121606606534} is an apocalyptic number.

2121606606534 is an abundant number, since it is smaller than the sum of its proper divisors (2122732471146).

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

2121606606534 is a wasteful number, since it uses less digits than its factorization.

2121606606534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93822055.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 2121606606534 in words is "two trillion, one hundred twenty-one billion, six hundred six million, six hundred six thousand, five hundred thirty-four".