1641715051 has 2 divisors, whose sum is σ = 1641715052. Its totient is φ = 1641715050.

The previous prime is 1641714941. The next prime is 1641715057. The reversal of 1641715051 is 1505171461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1641715051 - 2⁷ = 1641714923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1641715057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820857525 + 820857526.

It is an arithmetic number, because the mean of its divisors is an integer number (820857526).

Almost surely, 2^1641715051 is an apocalyptic number.

1641715051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641715051 is an equidigital number, since it uses as much as digits as its factorization.

1641715051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 31.

The square root of 1641715051 is about 40518.0830124032. The cubic root of 1641715051 is about 1179.6846449733.

The spelling of 1641715051 in words is "one billion, six hundred forty-one million, seven hundred fifteen thousand, fifty-one".