2154460043 has 2 divisors, whose sum is σ = 2154460044. Its totient is φ = 2154460042.

The previous prime is 2154460019. The next prime is 2154460051. The reversal of 2154460043 is 3400644512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2154460043 - 2¹⁰ = 2154459019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2154459988 and 2154460015.

It is not a weakly prime, because it can be changed into another prime (2154460073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077230021 + 1077230022.

It is an arithmetic number, because the mean of its divisors is an integer number (1077230022).

Almost surely, 2^2154460043 is an apocalyptic number.

2154460043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154460043 is an equidigital number, since it uses as much as digits as its factorization.

2154460043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2154460043 is about 46416.1614418944. The cubic root of 2154460043 is about 1291.5547312300.

The spelling of 2154460043 in words is "two billion, one hundred fifty-four million, four hundred sixty thousand, forty-three".