1516436413 has 2 divisors, whose sum is σ = 1516436414. Its totient is φ = 1516436412.

The previous prime is 1516436381. The next prime is 1516436447. The reversal of 1516436413 is 3146346151.

It is an a-pointer prime, because the next prime (1516436447) can be obtained adding 1516436413 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 795352804 + 721083609 = 28202^2 + 26853^2 .

It is a cyclic number.

It is not a de Polignac number, because 1516436413 - 2⁵ = 1516436381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1516436213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758218206 + 758218207.

It is an arithmetic number, because the mean of its divisors is an integer number (758218207).

Almost surely, 2^1516436413 is an apocalyptic number.

It is an amenable number.

1516436413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1516436413 is an equidigital number, since it uses as much as digits as its factorization.

1516436413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 1516436413 is about 38941.4485221082. The cubic root of 1516436413 is about 1148.8801734252.

The spelling of 1516436413 in words is "one billion, five hundred sixteen million, four hundred thirty-six thousand, four hundred thirteen".