364108146781 has 2 divisors, whose sum is σ = 364108146782. Its totient is φ = 364108146780.

The previous prime is 364108146761. The next prime is 364108146799. The reversal of 364108146781 is 187641801463.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360881338756 + 3226808025 = 600734^2 + 56805^2 .

It is a cyclic number.

It is not a de Polignac number, because 364108146781 - 2¹⁷ = 364108015709 is a prime.

It is a super-2 number, since 2×364108146781² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (364108146761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182054073390 + 182054073391.

It is an arithmetic number, because the mean of its divisors is an integer number (182054073391).

Almost surely, 2^364108146781 is an apocalyptic number.

It is an amenable number.

364108146781 is a deficient number, since it is larger than the sum of its proper divisors (1).

364108146781 is an equidigital number, since it uses as much as digits as its factorization.

364108146781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 364108146781 in words is "three hundred sixty-four billion, one hundred eight million, one hundred forty-six thousand, seven hundred eighty-one".