21619349045270 has 32 divisors (see below), whose sum is σ = 39011988787200. Its totient is φ = 8626170139776.

The previous prime is 21619349045243. The next prime is 21619349045317. The reversal of 21619349045270 is 7254094391612.

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, 6601451 + ... + 9317609.

It is an arithmetic number, because the mean of its divisors is an integer number (1219124649600).

Almost surely, 2^{21619349045270} is an apocalyptic number.

21619349045270 is a deficient number, since it is larger than the sum of its proper divisors (17392639741930).

21619349045270 is a wasteful number, since it uses less digits than its factorization.

21619349045270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718152.

The product of its (nonzero) digits is 3265920, while the sum is 53.

The spelling of 21619349045270 in words is "twenty-one trillion, six hundred nineteen billion, three hundred forty-nine million, forty-five thousand, two hundred seventy".