2863494638066 has 4 divisors (see below), whose sum is σ = 4295241957102. Its totient is φ = 1431747319032.

The previous prime is 2863494638029. The next prime is 2863494638083. The reversal of 2863494638066 is 6608364943682.

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., 2848348167025 + 15146471041 = 1687705^2 + 123071^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2863494637993 and 2863494638011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715873659515 + ... + 715873659518.

Almost surely, 2^{2863494638066} is an apocalyptic number.

2863494638066 is a deficient number, since it is larger than the sum of its proper divisors (1431747319036).

2863494638066 is a wasteful number, since it uses less digits than its factorization.

2863494638066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431747319035.

The product of its (nonzero) digits is 214990848, while the sum is 65.

The spelling of 2863494638066 in words is "two trillion, eight hundred sixty-three billion, four hundred ninety-four million, six hundred thirty-eight thousand, sixty-six".