1371441473 has 2 divisors, whose sum is σ = 1371441474. Its totient is φ = 1371441472.

The previous prime is 1371441469. The next prime is 1371441479. The reversal of 1371441473 is 3741441731.

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., 1172857009 + 198584464 = 34247^2 + 14092^2 .

It is a cyclic number.

It is not a de Polignac number, because 1371441473 - 2² = 1371441469 is a prime.

It is not a weakly prime, because it can be changed into another prime (1371441479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685720736 + 685720737.

It is an arithmetic number, because the mean of its divisors is an integer number (685720737).

Almost surely, 2^1371441473 is an apocalyptic number.

It is an amenable number.

1371441473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371441473 is an equidigital number, since it uses as much as digits as its factorization.

1371441473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 35.

The square root of 1371441473 is about 37032.9781816154. The cubic root of 1371441473 is about 1111.0299325199.

The spelling of 1371441473 in words is "one billion, three hundred seventy-one million, four hundred forty-one thousand, four hundred seventy-three".