2194789303634 has 32 divisors (see below), whose sum is σ = 3309103495872. Its totient is φ = 1091773440000.

The previous prime is 2194789303607. The next prime is 2194789303711. The reversal of 2194789303634 is 4363039874912.

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, 663678209 + ... + 663681515.

It is an arithmetic number, because the mean of its divisors is an integer number (103409484246).

Almost surely, 2^{2194789303634} is an apocalyptic number.

2194789303634 is a deficient number, since it is larger than the sum of its proper divisors (1114314192238).

2194789303634 is a wasteful number, since it uses less digits than its factorization.

2194789303634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5642.

The product of its (nonzero) digits is 23514624, while the sum is 59.

The spelling of 2194789303634 in words is "two trillion, one hundred ninety-four billion, seven hundred eighty-nine million, three hundred three thousand, six hundred thirty-four".