2154654851 has 8 divisors (see below), whose sum is σ = 2308887504. Its totient is φ = 2003476480.

The previous prime is 2154654841. The next prime is 2154654863. The reversal of 2154654851 is 1584564512.

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 2154654851 - 2²² = 2150460547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2154654799 and 2154654808.

It is not an unprimeable number, because it can be changed into a prime (2154654811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762110 + ... + 764931.

It is an arithmetic number, because the mean of its divisors is an integer number (288610938).

Almost surely, 2^2154654851 is an apocalyptic number.

2154654851 is a deficient number, since it is larger than the sum of its proper divisors (154232653).

2154654851 is a wasteful number, since it uses less digits than its factorization.

2154654851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527141.

The product of its digits is 192000, while the sum is 41.

The square root of 2154654851 is about 46418.2598876778. The cubic root of 2154654851 is about 1291.5936578607.

The spelling of 2154654851 in words is "two billion, one hundred fifty-four million, six hundred fifty-four thousand, eight hundred fifty-one".