396162133891 has 2 divisors, whose sum is σ = 396162133892. Its totient is φ = 396162133890.

The previous prime is 396162133867. The next prime is 396162133897. The reversal of 396162133891 is 198331261693.

It is a strong prime.

It is an emirp because it is prime and its reverse (198331261693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 396162133891 - 2¹³ = 396162125699 is a prime.

It is a super-2 number, since 2×396162133891² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (396162133897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198081066945 + 198081066946.

It is an arithmetic number, because the mean of its divisors is an integer number (198081066946).

Almost surely, 2^396162133891 is an apocalyptic number.

396162133891 is a deficient number, since it is larger than the sum of its proper divisors (1).

396162133891 is an equidigital number, since it uses as much as digits as its factorization.

396162133891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 52.

The spelling of 396162133891 in words is "three hundred ninety-six billion, one hundred sixty-two million, one hundred thirty-three thousand, eight hundred ninety-one".