2154360477774 has 8 divisors (see below), whose sum is σ = 4308720955560. Its totient is φ = 718120159256.

The previous prime is 2154360477749. The next prime is 2154360477779. The reversal of 2154360477774 is 4777740634512.

It is a happy number.

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

2154360477774 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154360477779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179530039809 + ... + 179530039820.

It is an arithmetic number, because the mean of its divisors is an integer number (538590119445).

Almost surely, 2^{2154360477774} is an apocalyptic number.

2154360477774 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.

2154360477774 is a wasteful number, since it uses less digits than its factorization.

2154360477774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359060079634.

The product of its (nonzero) digits is 27659520, while the sum is 57.

The spelling of 2154360477774 in words is "two trillion, one hundred fifty-four billion, three hundred sixty million, four hundred seventy-seven thousand, seven hundred seventy-four".