2194817477950 has 12 divisors (see below), whose sum is σ = 4082360509080. Its totient is φ = 877926991160.

The previous prime is 2194817477927. The next prime is 2194817477953. The reversal of 2194817477950 is 597747184912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194817477953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21948174730 + ... + 21948174829.

It is an arithmetic number, because the mean of its divisors is an integer number (340196709090).

Almost surely, 2^{2194817477950} is an apocalyptic number.

2194817477950 is a deficient number, since it is larger than the sum of its proper divisors (1887543031130).

2194817477950 is a wasteful number, since it uses less digits than its factorization.

2194817477950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43896349571 (or 43896349566 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 64.

The spelling of 2194817477950 in words is "two trillion, one hundred ninety-four billion, eight hundred seventeen million, four hundred seventy-seven thousand, nine hundred fifty".