2065217402 has 16 divisors (see below), whose sum is σ = 3114799272. Its totient is φ = 1026961920.

The previous prime is 2065217387. The next prime is 2065217411. The reversal of 2065217402 is 2047125602.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1968608161 + 96609241 = 44369^2 + 9829^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492338 + ... + 496514.

Almost surely, 2^2065217402 is an apocalyptic number.

2065217402 is a deficient number, since it is larger than the sum of its proper divisors (1049581870).

2065217402 is a wasteful number, since it uses less digits than its factorization.

2065217402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2065217402 is about 45444.6630749970. The cubic root of 2065217402 is about 1273.4696290759.

The spelling of 2065217402 in words is "two billion, sixty-five million, two hundred seventeen thousand, four hundred two".