35782865381 has 2 divisors, whose sum is σ = 35782865382. Its totient is φ = 35782865380.

The previous prime is 35782865369. The next prime is 35782865383. The reversal of 35782865381 is 18356828753.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34631349025 + 1151516356 = 186095^2 + 33934^2 .

It is an emirp because it is prime and its reverse (18356828753) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 35782865381 - 2⁶ = 35782865317 is a prime.

It is a super-2 number, since 2×35782865381² (a number of 22 digits) contains 22 as substring.

Together with 35782865383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35782865383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17891432690 + 17891432691.

It is an arithmetic number, because the mean of its divisors is an integer number (17891432691).

Almost surely, 2^35782865381 is an apocalyptic number.

It is an amenable number.

35782865381 is a deficient number, since it is larger than the sum of its proper divisors (1).

35782865381 is an equidigital number, since it uses as much as digits as its factorization.

35782865381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9676800, while the sum is 56.

The spelling of 35782865381 in words is "thirty-five billion, seven hundred eighty-two million, eight hundred sixty-five thousand, three hundred eighty-one".