4665209467381 has 2 divisors, whose sum is σ = 4665209467382. Its totient is φ = 4665209467380.

The previous prime is 4665209467379. The next prime is 4665209467409. The reversal of 4665209467381 is 1837649025664.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3892594837156 + 772614630225 = 1972966^2 + 878985^2 .

It is a cyclic number.

It is not a de Polignac number, because 4665209467381 - 2¹ = 4665209467379 is a prime.

It is a super-2 number, since 2×4665209467381² (a number of 26 digits) contains 22 as substring.

Together with 4665209467379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4665209467301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2332604733690 + 2332604733691.

It is an arithmetic number, because the mean of its divisors is an integer number (2332604733691).

It is a 1-persistent number, because it is pandigital, but 2⋅4665209467381 = 9330418934762 is not.

Almost surely, 2^{4665209467381} is an apocalyptic number.

It is an amenable number.

4665209467381 is a deficient number, since it is larger than the sum of its proper divisors (1).

4665209467381 is an equidigital number, since it uses as much as digits as its factorization.

4665209467381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 4665209467381 in words is "four trillion, six hundred sixty-five billion, two hundred nine million, four hundred sixty-seven thousand, three hundred eighty-one".