514514646415381 has 2 divisors, whose sum is σ = 514514646415382. Its totient is φ = 514514646415380.

The previous prime is 514514646415331. The next prime is 514514646415421. The reversal of 514514646415381 is 183514646415415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475095912923025 + 39418733492356 = 21796695^2 + 6278434^2 .

It is a cyclic number.

It is not a de Polignac number, because 514514646415381 - 2⁹ = 514514646414869 is a prime.

It is a super-2 number, since 2×514514646415381² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (514514646415331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257257323207690 + 257257323207691.

It is an arithmetic number, because the mean of its divisors is an integer number (257257323207691).

Almost surely, 2^{514514646415381} is an apocalyptic number.

It is an amenable number.

514514646415381 is a deficient number, since it is larger than the sum of its proper divisors (1).

514514646415381 is an equidigital number, since it uses as much as digits as its factorization.

514514646415381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648000, while the sum is 58.

The spelling of 514514646415381 in words is "five hundred fourteen trillion, five hundred fourteen billion, six hundred forty-six million, four hundred fifteen thousand, three hundred eighty-one".