2420769691 has 2 divisors, whose sum is σ = 2420769692. Its totient is φ = 2420769690.

The previous prime is 2420769679. The next prime is 2420769713. The reversal of 2420769691 is 1969670242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2420769691 - 2²⁷ = 2286551963 is a prime.

It is not a weakly prime, because it can be changed into another prime (2420769671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210384845 + 1210384846.

It is an arithmetic number, because the mean of its divisors is an integer number (1210384846).

Almost surely, 2^2420769691 is an apocalyptic number.

2420769691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420769691 is an equidigital number, since it uses as much as digits as its factorization.

2420769691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 2420769691 is about 49201.3179803143. The cubic root of 2420769691 is about 1342.7170109722.

The spelling of 2420769691 in words is "two billion, four hundred twenty million, seven hundred sixty-nine thousand, six hundred ninety-one".