1960579091 has 2 divisors, whose sum is σ = 1960579092. Its totient is φ = 1960579090.

The previous prime is 1960579081. The next prime is 1960579099. The reversal of 1960579091 is 1909750691.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1960579091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1960579099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980289545 + 980289546.

It is an arithmetic number, because the mean of its divisors is an integer number (980289546).

Almost surely, 2^1960579091 is an apocalyptic number.

1960579091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1960579091 is an equidigital number, since it uses as much as digits as its factorization.

1960579091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153090, while the sum is 47.

The square root of 1960579091 is about 44278.4269255356. The cubic root of 1960579091 is about 1251.5881873541.

The spelling of 1960579091 in words is "one billion, nine hundred sixty million, five hundred seventy-nine thousand, ninety-one".