2143055553950 has 24 divisors (see below), whose sum is σ = 3986366487168. Its totient is φ = 857161327680.

The previous prime is 2143055553931. The next prime is 2143055553971. The reversal of 2143055553950 is 593555503412.

It is a junction number, because it is equal to n+sod(n) for n = 2143055553895 and 2143055553904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 808127 + ... + 2222426.

It is an arithmetic number, because the mean of its divisors is an integer number (166098603632).

Almost surely, 2^{2143055553950} is an apocalyptic number.

2143055553950 is a deficient number, since it is larger than the sum of its proper divisors (1843310933218).

2143055553950 is a wasteful number, since it uses less digits than its factorization.

2143055553950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044708 (or 3044703 counting only the distinct ones).

The product of its (nonzero) digits is 2025000, while the sum is 47.

The spelling of 2143055553950 in words is "two trillion, one hundred forty-three billion, fifty-five million, five hundred fifty-three thousand, nine hundred fifty".