2154408467 has 2 divisors, whose sum is σ = 2154408468. Its totient is φ = 2154408466.

The previous prime is 2154408439. The next prime is 2154408491. The reversal of 2154408467 is 7648044512.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2154408467 is a prime.

It is not a weakly prime, because it can be changed into another prime (2154408407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077204233 + 1077204234.

It is an arithmetic number, because the mean of its divisors is an integer number (1077204234).

Almost surely, 2^2154408467 is an apocalyptic number.

2154408467 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154408467 is an equidigital number, since it uses as much as digits as its factorization.

2154408467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 2154408467 is about 46415.6058562204. The cubic root of 2154408467 is about 1291.5444248954.

The spelling of 2154408467 in words is "two billion, one hundred fifty-four million, four hundred eight thousand, four hundred sixty-seven".