2154923365 has 8 divisors (see below), whose sum is σ = 2955323520. Its totient is φ = 1477661712.

The previous prime is 2154923299. The next prime is 2154923413. The reversal of 2154923365 is 5633294512.

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

It is a cyclic number.

It is not a de Polignac number, because 2154923365 - 2¹¹ = 2154921317 is a prime.

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, 30784585 + ... + 30784654.

It is an arithmetic number, because the mean of its divisors is an integer number (369415440).

Almost surely, 2^2154923365 is an apocalyptic number.

It is an amenable number.

2154923365 is a deficient number, since it is larger than the sum of its proper divisors (800400155).

2154923365 is an equidigital number, since it uses as much as digits as its factorization.

2154923365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61569251.

The product of its digits is 194400, while the sum is 40.

The square root of 2154923365 is about 46421.1521291749. The cubic root of 2154923365 is about 1291.6473086150.

The spelling of 2154923365 in words is "two billion, one hundred fifty-four million, nine hundred twenty-three thousand, three hundred sixty-five".