2143369057898 has 4 divisors (see below), whose sum is σ = 3215053586850. Its totient is φ = 1071684528948.

The previous prime is 2143369057873. The next prime is 2143369057927. The reversal of 2143369057898 is 8987509633412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1154006617009 + 989362440889 = 1074247^2 + 994667^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535842264473 + ... + 535842264476.

It is a 1-persistent number, because it is pandigital, but 2⋅2143369057898 = 4286738115796 is not.

Almost surely, 2^{2143369057898} is an apocalyptic number.

2143369057898 is a deficient number, since it is larger than the sum of its proper divisors (1071684528952).

2143369057898 is a wasteful number, since it uses less digits than its factorization.

2143369057898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071684528951.

The product of its (nonzero) digits is 78382080, while the sum is 65.

The spelling of 2143369057898 in words is "two trillion, one hundred forty-three billion, three hundred sixty-nine million, fifty-seven thousand, eight hundred ninety-eight".