2153344454 has 16 divisors (see below), whose sum is σ = 3306937920. Its totient is φ = 1051059240.

The previous prime is 2153344441. The next prime is 2153344483. The reversal of 2153344454 is 4544433512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181649 + ... + 193139.

It is an arithmetic number, because the mean of its divisors is an integer number (206683620).

Almost surely, 2^2153344454 is an apocalyptic number.

2153344454 is a deficient number, since it is larger than the sum of its proper divisors (1153593466).

2153344454 is a wasteful number, since it uses less digits than its factorization.

2153344454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13715.

The product of its digits is 115200, while the sum is 35.

The square root of 2153344454 is about 46404.1426383464. The cubic root of 2153344454 is about 1291.3317684790.

Adding to 2153344454 its reverse (4544433512), we get a palindrome (6697777966).

The spelling of 2153344454 in words is "two billion, one hundred fifty-three million, three hundred forty-four thousand, four hundred fifty-four".