31463491469 has 2 divisors, whose sum is σ = 31463491470. Its totient is φ = 31463491468.

The previous prime is 31463491453. The next prime is 31463491487. The reversal of 31463491469 is 96419436413.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31460116900 + 3374569 = 177370^2 + 1837^2 .

It is a cyclic number.

It is not a de Polignac number, because 31463491469 - 2⁴ = 31463491453 is a prime.

It is a super-2 number, since 2×31463491469² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31463491069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15731745734 + 15731745735.

It is an arithmetic number, because the mean of its divisors is an integer number (15731745735).

Almost surely, 2^31463491469 is an apocalyptic number.

It is an amenable number.

31463491469 is a deficient number, since it is larger than the sum of its proper divisors (1).

31463491469 is an equidigital number, since it uses as much as digits as its factorization.

31463491469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 50.

The spelling of 31463491469 in words is "thirty-one billion, four hundred sixty-three million, four hundred ninety-one thousand, four hundred sixty-nine".