2420899697 has 2 divisors, whose sum is σ = 2420899698. Its totient is φ = 2420899696.

The previous prime is 2420899673. The next prime is 2420899703. The reversal of 2420899697 is 7969980242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2290962496 + 129937201 = 47864^2 + 11399^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420899697 - 2⁶ = 2420899633 is a prime.

It is not a weakly prime, because it can be changed into another prime (2420899667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210449848 + 1210449849.

It is an arithmetic number, because the mean of its divisors is an integer number (1210449849).

Almost surely, 2^2420899697 is an apocalyptic number.

It is an amenable number.

2420899697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420899697 is an equidigital number, since it uses as much as digits as its factorization.

2420899697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The square root of 2420899697 is about 49202.6391263721. The cubic root of 2420899697 is about 1342.7410471488.

The spelling of 2420899697 in words is "two billion, four hundred twenty million, eight hundred ninety-nine thousand, six hundred ninety-seven".