2131436579 has 2 divisors, whose sum is σ = 2131436580. Its totient is φ = 2131436578.

The previous prime is 2131436569. The next prime is 2131436617. The reversal of 2131436579 is 9756341312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2131436579 - 2¹⁶ = 2131371043 is a prime.

It is not a weakly prime, because it can be changed into another prime (2131436569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065718289 + 1065718290.

It is an arithmetic number, because the mean of its divisors is an integer number (1065718290).

Almost surely, 2^2131436579 is an apocalyptic number.

2131436579 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131436579 is an equidigital number, since it uses as much as digits as its factorization.

2131436579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 41.

The square root of 2131436579 is about 46167.4840011885. The cubic root of 2131436579 is about 1286.9375463118.

The spelling of 2131436579 in words is "two billion, one hundred thirty-one million, four hundred thirty-six thousand, five hundred seventy-nine".