2154408463 has 8 divisors (see below), whose sum is σ = 2229227280. Its totient is φ = 2079624960.

The previous prime is 2154408439. The next prime is 2154408467. The reversal of 2154408463 is 3648044512.

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 2154408463 - 2²¹ = 2152311311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154408467) 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, 196831 + ... + 207487.

It is an arithmetic number, because the mean of its divisors is an integer number (278653410).

Almost surely, 2^2154408463 is an apocalyptic number.

2154408463 is a deficient number, since it is larger than the sum of its proper divisors (74818817).

2154408463 is a wasteful number, since it uses less digits than its factorization.

2154408463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17657.

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 2154408463 is about 46415.6058131314. The cubic root of 2154408463 is about 1291.5444240961.

The spelling of 2154408463 in words is "two billion, one hundred fifty-four million, four hundred eight thousand, four hundred sixty-three".