2199395871478 has 16 divisors (see below), whose sum is σ = 3761862622560. Its totient is φ = 955393681536.

The previous prime is 2199395871469. The next prime is 2199395871479. The reversal of 2199395871478 is 8741785939912.

It is a self number, because there is not a number n which added to its sum of digits gives 2199395871478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199395871479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2488003938 + ... + 2488004821.

It is an arithmetic number, because the mean of its divisors is an integer number (235116413910).

Almost surely, 2^{2199395871478} is an apocalyptic number.

2199395871478 is a deficient number, since it is larger than the sum of its proper divisors (1562466751082).

2199395871478 is a wasteful number, since it uses less digits than its factorization.

2199395871478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4976008791.

The product of its digits is 274337280, while the sum is 73.

The spelling of 2199395871478 in words is "two trillion, one hundred ninety-nine billion, three hundred ninety-five million, eight hundred seventy-one thousand, four hundred seventy-eight".