1640002103 has 2 divisors, whose sum is σ = 1640002104. Its totient is φ = 1640002102.

The previous prime is 1640002093. The next prime is 1640002127. The reversal of 1640002103 is 3012000461.

It is a weak prime.

It is an emirp because it is prime and its reverse (3012000461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1640002103 - 2¹⁴ = 1639985719 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1640002003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820001051 + 820001052.

It is an arithmetic number, because the mean of its divisors is an integer number (820001052).

Almost surely, 2^1640002103 is an apocalyptic number.

1640002103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1640002103 is an equidigital number, since it uses as much as digits as its factorization.

1640002103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1640002103 is about 40496.9394275666. The cubic root of 1640002103 is about 1179.2742120615.

Adding to 1640002103 its reverse (3012000461), we get a palindrome (4652002564).

The spelling of 1640002103 in words is "one billion, six hundred forty million, two thousand, one hundred three".