2121354503246 has 16 divisors (see below), whose sum is σ = 3484814410800. Its totient is φ = 960500090880.

The previous prime is 2121354503239. The next prime is 2121354503269. The reversal of 2121354503246 is 6423054531212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187592021 + ... + 187603328.

It is an arithmetic number, because the mean of its divisors is an integer number (217800900675).

Almost surely, 2^{2121354503246} is an apocalyptic number.

2121354503246 is a deficient number, since it is larger than the sum of its proper divisors (1363459907554).

2121354503246 is a wasteful number, since it uses less digits than its factorization.

2121354503246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375195619.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 2121354503246 in words is "two trillion, one hundred twenty-one billion, three hundred fifty-four million, five hundred three thousand, two hundred forty-six".