2193874455 has 16 divisors (see below), whose sum is σ = 3567744864. Its totient is φ = 1150884480.

The previous prime is 2193874451. The next prime is 2193874457. The reversal of 2193874455 is 5544783912.

2193874455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2193874455 - 2² = 2193874451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193874451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1197924 + ... + 1199753.

It is an arithmetic number, because the mean of its divisors is an integer number (222984054).

Almost surely, 2^2193874455 is an apocalyptic number.

2193874455 is a deficient number, since it is larger than the sum of its proper divisors (1373870409).

2193874455 is a wasteful number, since it uses less digits than its factorization.

2193874455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397746.

The product of its digits is 1209600, while the sum is 48.

The square root of 2193874455 is about 46838.8135524375. The cubic root of 2193874455 is about 1299.3832291223.

The spelling of 2193874455 in words is "two billion, one hundred ninety-three million, eight hundred seventy-four thousand, four hundred fifty-five".