3161244427969 has 2 divisors, whose sum is σ = 3161244427970. Its totient is φ = 3161244427968.

The previous prime is 3161244427961. The next prime is 3161244428011. The reversal of 3161244427969 is 9697244421613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1945782277569 + 1215462150400 = 1394913^2 + 1102480^2 .

It is a cyclic number.

It is not a de Polignac number, because 3161244427969 - 2³ = 3161244427961 is a prime.

It is a super-2 number, since 2×3161244427969² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3161244427961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1580622213984 + 1580622213985.

It is an arithmetic number, because the mean of its divisors is an integer number (1580622213985).

Almost surely, 2^{3161244427969} is an apocalyptic number.

It is an amenable number.

3161244427969 is a deficient number, since it is larger than the sum of its proper divisors (1).

3161244427969 is an equidigital number, since it uses as much as digits as its factorization.

3161244427969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15676416, while the sum is 58.

The spelling of 3161244427969 in words is "three trillion, one hundred sixty-one billion, two hundred forty-four million, four hundred twenty-seven thousand, nine hundred sixty-nine".