1473343681 has 2 divisors, whose sum is σ = 1473343682. Its totient is φ = 1473343680.

The previous prime is 1473343679. The next prime is 1473343691. The reversal of 1473343681 is 1863433741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1377597456 + 95746225 = 37116^2 + 9785^2 .

It is a cyclic number.

It is not a de Polignac number, because 1473343681 - 2¹ = 1473343679 is a prime.

It is a super-2 number, since 2×1473343681² = 4341483204685259522, which contains 22 as substring.

Together with 1473343679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1473343691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 736671840 + 736671841.

It is an arithmetic number, because the mean of its divisors is an integer number (736671841).

Almost surely, 2^1473343681 is an apocalyptic number.

It is an amenable number.

1473343681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1473343681 is an equidigital number, since it uses as much as digits as its factorization.

1473343681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 1473343681 is about 38384.1592457097. The cubic root of 1473343681 is about 1137.8928143957.

The spelling of 1473343681 in words is "one billion, four hundred seventy-three million, three hundred forty-three thousand, six hundred eighty-one".