2516338813 has 2 divisors, whose sum is σ = 2516338814. Its totient is φ = 2516338812.

The previous prime is 2516338771. The next prime is 2516338817. The reversal of 2516338813 is 3188336152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1760473764 + 755865049 = 41958^2 + 27493^2 .

It is a cyclic number.

It is not a de Polignac number, because 2516338813 - 2¹⁷ = 2516207741 is a prime.

It is a super-2 number, since 2×2516338813² = 12663922043620497938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2516338817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258169406 + 1258169407.

It is an arithmetic number, because the mean of its divisors is an integer number (1258169407).

Almost surely, 2^2516338813 is an apocalyptic number.

It is an amenable number.

2516338813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516338813 is an equidigital number, since it uses as much as digits as its factorization.

2516338813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 2516338813 is about 50163.1220419942. The cubic root of 2516338813 is about 1360.1590811967.

The spelling of 2516338813 in words is "two billion, five hundred sixteen million, three hundred thirty-eight thousand, eight hundred thirteen".