1641354059 has 2 divisors, whose sum is σ = 1641354060. Its totient is φ = 1641354058.

The previous prime is 1641354017. The next prime is 1641354061. The reversal of 1641354059 is 9504531461.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1641354059 is a prime.

Together with 1641354061, 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 (1641354079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820677029 + 820677030.

It is an arithmetic number, because the mean of its divisors is an integer number (820677030).

Almost surely, 2^1641354059 is an apocalyptic number.

1641354059 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641354059 is an equidigital number, since it uses as much as digits as its factorization.

1641354059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1641354059 is about 40513.6280651338. The cubic root of 1641354059 is about 1179.5981728140.

The spelling of 1641354059 in words is "one billion, six hundred forty-one million, three hundred fifty-four thousand, fifty-nine".