2164745454 has 8 divisors (see below), whose sum is σ = 4329490920. Its totient is φ = 721581816.

The previous prime is 2164745419. The next prime is 2164745497. The reversal of 2164745454 is 4545474612.

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

2164745454 is an admirable number.

It is a super-2 number, since 2×2164745454² = 9372245761227332232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180395449 + ... + 180395460.

It is an arithmetic number, because the mean of its divisors is an integer number (541186365).

Almost surely, 2^2164745454 is an apocalyptic number.

2164745454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2164745454 is a wasteful number, since it uses less digits than its factorization.

2164745454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360790914.

The product of its digits is 537600, while the sum is 42.

The square root of 2164745454 is about 46526.8251012252. The cubic root of 2164745454 is about 1293.6067670505.

The spelling of 2164745454 in words is "two billion, one hundred sixty-four million, seven hundred forty-five thousand, four hundred fifty-four".