2194053457 has 8 divisors (see below), whose sum is σ = 2272130784. Its totient is φ = 2117205888.

The previous prime is 2194053413. The next prime is 2194053469. The reversal of 2194053457 is 7543504912.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2194053457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2194053487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303808 + ... + 310945.

It is an arithmetic number, because the mean of its divisors is an integer number (284016348).

Almost surely, 2^2194053457 is an apocalyptic number.

It is an amenable number.

2194053457 is a deficient number, since it is larger than the sum of its proper divisors (78077327).

2194053457 is an equidigital number, since it uses as much as digits as its factorization.

2194053457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614879.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 2194053457 is about 46840.7243432464. The cubic root of 2194053457 is about 1299.4185678006.

The spelling of 2194053457 in words is "two billion, one hundred ninety-four million, fifty-three thousand, four hundred fifty-seven".