1681414499 has 2 divisors, whose sum is σ = 1681414500. Its totient is φ = 1681414498.

The previous prime is 1681414477. The next prime is 1681414531. The reversal of 1681414499 is 9944141861.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9944141861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1681414499 - 2²⁰ = 1680365923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1681414429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 840707249 + 840707250.

It is an arithmetic number, because the mean of its divisors is an integer number (840707250).

Almost surely, 2^1681414499 is an apocalyptic number.

1681414499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1681414499 is an equidigital number, since it uses as much as digits as its factorization.

1681414499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 47.

The square root of 1681414499 is about 41005.0545542864. The cubic root of 1681414499 is about 1189.1179347237.

It can be divided in two parts, 16814 and 14499, that added together give a palindrome (31313).

The spelling of 1681414499 in words is "one billion, six hundred eighty-one million, four hundred fourteen thousand, four hundred ninety-nine".