2054430641 has 2 divisors, whose sum is σ = 2054430642. Its totient is φ = 2054430640.

The previous prime is 2054430619. The next prime is 2054430643. The reversal of 2054430641 is 1460344502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1576090000 + 478340641 = 39700^2 + 21871^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054430641 - 2⁶ = 2054430577 is a prime.

Together with 2054430643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2054430643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027215320 + 1027215321.

It is an arithmetic number, because the mean of its divisors is an integer number (1027215321).

Almost surely, 2^2054430641 is an apocalyptic number.

It is an amenable number.

2054430641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054430641 is an equidigital number, since it uses as much as digits as its factorization.

2054430641 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 2054430641 is about 45325.8275269189. The cubic root of 2054430641 is about 1271.2486203035.

The spelling of 2054430641 in words is "two billion, fifty-four million, four hundred thirty thousand, six hundred forty-one".